GUNDLE ENVIRONMENTAL SYSTEMS INC
SC 13D, 1995-08-02
UNSUPPORTED PLASTICS FILM & SHEET
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                   SECURITIES AND EXCHANGE COMMISSION
                           Washington, D.C. 20549

 
                                                                 

                              SCHEDULE 13D

               Under the Securities Exchange Act of 1934

                   Gundle Environmental Systems, Inc.
                            (Name of Issuer)

                                                                  
                     Common Stock, $.01 par value 
                    (Title of Class of Securities)

                                                                  
                               402806-103     
                             (CUSIP Number)


                                                                  
                         Ezra G. Levin, Esq.
          Kramer, Levin, Naftalis, Nessen, Kamin & Frankel
                           919 Third Avenue
                      New York, New York  10022
                            (212) 715-9227             
                (Name, Address and Telephone Number of
                 Person Authorized to Receive Notices
                          and Communications)

                            July 27, 1995     
              (Date of Event which Requires Filing
                         of this Statement)

If the filing person has previously filed a statement on Schedule
13G to report the acquisition which is the subject of this
Schedule 13D, and is filing this schedule because of Rule 13d-
1(b)(3) or (4), check the following box: []

Check the following box if a fee is being paid with this
statement: [x]






<PAGE>                     Page 1 of 9 pages
<PAGE>
                                SCHEDULE 13D
CUSIP No. 402806-103                         Page 2 of  9 Pages

1)   NAME OF REPORTING PERSON
     S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

     WEMBLEY, LTD.                                         n/a   
_________________________________________________________________
2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP   (a)  []

                                                       (b)  [] 
_______________________________________________________________
3)  SEC USE ONLY

_______________________________________________________________
4)  SOURCE OF FUNDS

          00
________________________________________________________________
5)  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
    PURSUANT TO ITEMS 2(d) OR 2(e)
                                                        []
_______________________________________________________________
6)  CITIZENSHIP OR PLACE OF ORGANIZATION
          BRITISH VIRGIN ISLANDS
_______________________________________________________________
                7)  SOLE VOTING POWER
                    7,000,000 (See Item 5)
   NUMBER       _______________________________________________
   OF           8)  SHARED VOTING POWER
   SHARES           0
   BENEFICIALLY _______________________________________________
   OWNED BY     9)  SOLE DISPOSITIVE POWER
   EACH         7,000,000  (See Item 5)
   REPORTING    ______________________________________________
   PERSON       10)  SHARED DISPOSITIVE POWER
   WITH           0
_________________________________________________________________
11)  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     7,000,000 (See Item 5)
_________________________________________________________________
12)  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
     CERTAIN SHARES                                         []
_________________________________________________________________
13)  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
     Approximately 40% (See Item 5)
_________________________________________________________________
14)  TYPE OF REPORTING PERSON
           CO
 ________________________________________________________________

<PAGE>
<PAGE>
                                Schedule 13D


Item 1.  Security and Issuer.

     The class of equity securities to which this Statement on
Schedule 13D (the "Statement") relates is the common stock, par
value $.01 per share (the "Common Stock") of Gundle Environmental
Systems, Inc., a Delaware corporation (the "Company").  The
principal executive offices of the Company are located at 19103
Gundle Road, Houston, TX  77073.  

Item 2.   Identity and Background.

     (a)  Wembley, Ltd. 

     (b)  State of Organization:   British Virgin Islands

          Address:   International Trust Company
                     B.V.I. Limited
                                   Columbus Centre Building
                                   P.O. Box 659
                                   Road Town
                                   Tortola
                                   British Virgin Islands

     (c)  Principal Business
          Activity:                Shareholder of the Company
                                   (formerly the sole stockholder
                                   of SLT Environmental, Inc., a
                                   Delaware corporation).

   (d)-(e) During the last five years, Wembley, Ltd. has neither
           been convicted in a criminal proceeding (excluding
           traffic violations and similar misdemeanors) nor been
           a party to a civil proceeding of a judicial or
           administrative body of competent jurisdiction which,
           as a result of such proceeding, rendered it subject to
           a judgment, decree or final order enjoining future
           violations of, or prohibiting or mandating activities
           subject to, Federal or state securities laws or
           finding any violation with respect to such laws.

Pursuant to Instruction C to this Form, information required by
Item 2 provided on behalf of the executive officers and directors
of Wembley, Ltd. is included on Appendix I hereto, which is
incorporated herein by reference.

Item 3.  Source and Amount of Funds or Other Consideration.

<PAGE>                        3
<PAGE>
     The 7,000,000 shares of Common Stock were issued to Wembley,
Ltd. pursuant to the terms of a merger agreement (the "Merger
Agreement") dated as of March 28, 1995 between the Company and 
SLT Environmental, Inc., a wholly-owned subsidiary of Wembley,
Ltd. ("SLT").  A copy of the Merger Agreement is attached hereto
as Exhibit A.  As of the date of the Merger Agreement, Wembley,
Ltd. owned all of the 100 issued and outstanding shares of the
common stock, par value $1.00 per share of SLT (the "SLT Stock").
Pursuant to the terms of the Merger Agreement, each share of SLT
Stock was converted into 70,000 shares of Common Stock, as a
result of which, upon the consummation of the merger on July 27,
1995 (the "Effective Date"), Wembley, Ltd. owned 7,000,000 shares
of Common Stock.  On the Effective Date, the closing price of a
share of Common Stock on the American Stock Exchange was $7.00
per share  and the total value of the 7,000,000 shares, based
upon that price was  $49,000,000. 

Item 4.  Purpose of Transaction. 

     The Common Stock was acquired by Wembley, Ltd. in order
to effect the merger of the Company and SLT.  

     Wembley, Ltd. has no plans or proposals which would result
in any of the events or outcomes listed in (a) through (j) of
this Item 4.  However, as a result of the consummation of the
transactions contemplated by the Merger Agreement, the following
events or results have occurred: 

     (a)  Not Applicable;

     (b)  A merger of SLT with and into the Company was effected;

     (c)  Not Applicable;

     (d)  Samir T. Badawi, Ahmed Khalawi and William P. Reid,
          each nominees of SLT, were elected to serve as three of
          the Company's seven directors until the first annual
          meeting of stockholders of the Company next following
          the Effective Date;

          The Company's Bylaws have been amended and restated by
          operation of law (i) to authorize a board of neither
          more than seven nor fewer than five directors, as set
          by the board from time to time, and (ii) to require the
          affirmative vote of 60% of the full board to expand or
          contract the board beyond the prescribed limits.

    (e)   Additional Common Stock Authorization.  The Company's
          Certificate of Incorporation has been amended and
          restated by operation of law to increase to 30,000,000
          the authorized number of shares of Common Stock.

<PAGE>                        4
<PAGE>
          Additional Preferred Stock Authorization.  The
          Company's Certificate of Incorporation has been 
          amended and restated to increase to 1,000,000 the
          authorized number of shares of the Company's preferred
          stock, par value $1.00 per share, undesignated as to
          series.  

     (f)  Not Applicable;

     (g)  Not Applicable;

     (h)  Not Applicable;

     (i)  Not Applicable;

     (j)  Not Applicable.


Item 5.   Interest in Securities of the Issuer.

          (a)  Wembley, Ltd. beneficially owns an aggregate of
7,000,000 shares, representing approximately 40%, of the Common
Stock.  

          (b)  The Board of Directors of Wembley, Ltd. has the
sole power to vote or direct the vote and dispose or direct the
disposition of the Common Stock.  By reason of their position as
directors, Messrs. Badawi and Khalawi may be deemed to possess,
indirectly, sole and/or shared power to vote and dispose of the
Common Stock. The filing of this Statement on Schedule 13D shall
not, however, be construed as an admission that, for purposes of
Section 13(d) or 13(g) of the Securities Exchange Act of 1934, as
amended, any person other than Wembley, Ltd. has beneficial
ownership of the Common Stock.

          (c)  Not Applicable.

          (d)  Not applicable.

          (e)  Not applicable.

<PAGE>                        5
<PAGE>
Item 6.   Contracts, Arrangements, Understandings or
          Relationships with Respect to Securities of the Issuer.

     The Company has entered into a registration rights agreement
(the "Registration Rights Agreement") with Wembley, Ltd. (among
others) a copy of which is attached hereto as Exhibit B.  Subject
to certain conditions, Wembley, Ltd. will have three demand
registration rights exercisable at any time beginning one year
after the Effective Date through the seventh anniversary of the
Effective Date.  In addition, the Registration Rights Agreement
affords to Wembley, Ltd. the right to participate in
registrations initiated by the Company or, under certain
conditions, another party. 


Item 7.  Material to be Filed as Exhibits.

     Exhibit A:  Merger Agreement dated as of March 28, 1995 
                 between the Company and SLT.

     Exhibit B:  Registration Rights Agreement dated as of July
                 27, 1995 by and among the Company, Wembley, Ltd.
                 and Odyssey Partners, L.P.

<PAGE>                        6
<PAGE>
                           SIGNATURES


          After reasonable inquiry and to the best knowledge and
belief of the undersigned, the undersigned certifies that the
information set forth in this Schedule 13D is true, complete and
correct.


Date:  July 27, 1995


                                        WEMBLEY, LTD.



                                        /s/ Ahmed Khalawi        

                                        Ahmed Khalawi
                                        Director




                                        /s/ Samir T. Badawi      

                                        Samir T. Badawi
                                        Director

<PAGE>                        7
<PAGE>
                       SCHEDULE I


Item 2.     Identity and Background, cont.

     Wembley, Ltd. has no executive officers.  The Board of
Directors makes all decisions concerning the business of Wembley,
Ltd. including, without limitation, the voting and disposition of
the issued and outstanding common stock of the Company.  

     (a)  Directors of Wembley, Ltd.:    Samir T. Badawi 
                                         Ahmed Khalawi.

     (b)  Business Address:   Al-Amoudi Center Office No. 103
                              P.O. Box 2477 (Madina Road)
                              Jeddah 21451
                              Kingdom of Saudi Arabia

     (c)  Principal Business
             Activity:        Both men serve as directors and
                              advisors to Wembley, Ltd. 
                              Mr. Badawi is also Chairman of the
                              Board of the Company. 

     (d)-(e)  During the last five years, neither director has
              been convicted in a criminal proceeding (excluding
              traffic violations and similar misdemeanors) or 
              been a party to a civil proceeding of a judicial or
              administrative body of competent jurisdiction
              which, as a result of such proceeding, rendered him
              subject to a judgment, decree or final order
              enjoining future violations of, or prohibiting or
              mandating activities subject to, federal or state
              securities laws or finding any violation with
              respect to such laws.

<PAGE>                        8


________________________________________________________________









                  PLAN AND AGREEMENT OF MERGER

                              of

                GUNDLE ENVIRONMENTAL SYSTEMS, INC.

                             and

                    SLT ENVIRONMENTAL, INC.













                           _________



                  Dated as of March 28, 1995

_________________________________________________________________

<PAGE>
<PAGE>
                       TABLE OF CONTENTS

                           ARTICLE I

                            MERGER . . . . . . . . . . . . .  2
     1.1. Surviving Corporation. . . . . . . . . . . . . . .  2
     1.2. Stockholder Approval . . . . . . . . . . . . . . .  2
     1.3. Effective Date . . . . . . . . . . . . . . . . . .  2
     1.4. Name and Continued Corporate Existence 
            of Surviving Corporation . . . . . . . . . . . .  2
          1.4.1.  Name and Existence . . . . . . . . . . . .  2
          1.4.2.  Federal Income Tax Treatment of Merger . .  2
     1.5. Governing Law and Certificate of Incorporation 
            of Surviving Corporation . . . . . . . . . . . .  3
          1.5.1.  Delaware Law Governs and Gundle 
                  Certificate of Incorporation, 
                  as Amended and Restated, Survives. . . . .  3
     1.6. Bylaws of Surviving Corporation  . . . . . . . . .  3
          1.6.1.  Gundle Bylaws Survive  . . . . . . . . . .  3
     1.7. Directors and Officers of Surviving 
            Corporation  . . . . . . . . . . . . . . . . . .  3
          1.7.1. Directors of Surviving Corporation. . . . .  3
          1.7.2. Vacancies . . . . . . . . . . . . . . . . .  4
     1.8. Capital Stock of Surviving Corporation . . . . . .  4
          1.8.1. Capital Stock of Surviving Corporation. . .  4
     1.9. Conversion of Securities upon Merger . . . . . . .  4
          1.9.1. General . . . . . . . . . . . . . . . . . .  4
          1.9.2. Conversion of SLT Common Stock. . . . . . .  4
          1.9.3. Exchange of SLT Common Stock 
                  Certificates . . . . . . . . . . . . . . .  4
          1.9.4. Gundle Fractional Shares. . . . . . . . . .  5
          1.9.5. SLT's Transfer Books Closed . . . . . . . .  5
     1.10. Assets and Liabilities. . . . . . . . . . . . . .  5
          1.10.1. Assets and Liabilities of Merging 
                    Corporations Become Those of 
                    Surviving Corporation. . . . . . . . . .  5
          1.10.2. Conveyances to Surviving Corporation . . .  6
          1.10.3. Accounting Treatment . . . . . . . . . . .  6
          1.10.4. Unclaimed Merger Consideration; 
                    No Escheat . . . . . . . . . . . . . . .  6
          1.10.5. Dissenting Stockholders of SLT . . . . . .  6

                            ARTICLE II

                   REPRESENTATIONS AND WARRANTIES
                           OF SLT  . . . . . . . . . . . . .  6
     2.1. Representations and Warranties of SLT. . . . . . .  6
          2.1.1. Organization and Standing . . . . . . . . .  6
          2.1.2. Agreement Authorized and its 
                  Effect on Other Obligations. . . . . . . .  7
          2.1.3. Capitalization  . . . . . . . . . . . . . .  7

                             -i-
PAGE
<PAGE>
          2.1.4. Subsidiaries. . . . . . . . . . . . . . . .  7
          2.1.5. Financial Statements. . . . . . . . . . . .  8
          2.1.6. Liabilities . . . . . . . . . . . . . . . .  8
          2.1.7. Additional SLT Information. . . . . . . . .  8
                 2.1.7.1. Real Estate. . . . . . . . . . . .  8
                 2.1.7.2. Machinery and Equipment. . . . . .  9
                 2.1.7.3. Inventory. . . . . . . . . . . . .  9
                 2.1.7.4. Receivables. . . . . . . . . . . .  9
                 2.1.7.5. Payables . . . . . . . . . . . . .  9
                 2.1.7.6. Insurance. . . . . . . . . . . . .  9
                 2.1.7.7. Material Contracts . . . . . . . .  9
                 2.1.7.8. Employee Compensation Plans. . . .  9
                 2.1.7.9. Certain Salaries . . . . . . . . . 10
                 2.1.7.10. Bank Accounts . . . . . . . . . . 10
                 2.1.7.11. Employee Agreements . . . . . . . 10
                 2.1.7.12. Patents . . . . . . . . . . . . . 10
                 2.1.7.13. Trade Names . . . . . . . . . . . 10
                 2.1.7.14. Promissory Notes. . . . . . . . . 10
                 2.1.7.15. Guaranties. . . . . . . . . . . . 10
                 2.1.7.16. Financial Statements. . . . . . . 10
                 2.1.7.17. Reserves and Accruals . . . . . . 10
                 2.1.7.18. Material Leases . . . . . . . . . 10
                 2.1.7.19. Environment . . . . . . . . . . . 11
          2.1.8. No Undisclosed Defaults . . . . . . . . . . 11
          2.1.9. Absence of Certain Changes and Events . . . 11
                 2.1.9.1.  Financial Change. . . . . . . . . 11
                 2.1.9.2.  Property Damage . . . . . . . . . 11
                 2.1.9.3.  Dividends . . . . . . . . . . . . 11
                 2.1.9.4.  Capitalization Change . . . . . . 11
                 2.1.9.5.  Labor Disputes. . . . . . . . . . 11
                 2.1.9.6.  Other Material Changes. . . . . . 11
          2.1.10. Taxes. . . . . . . . . . . . . . . . . . . 12
          2.1.11. Intellectual Property. . . . . . . . . . . 12
          2.1.12. Title to Properties. . . . . . . . . . . . 13
          2.1.13. Litigation . . . . . . . . . . . . . . . . 13
                 2.1.14.1. Environmental Conditions. . . . . 13
                 2.1.14.2. Permits, etc. . . . . . . . . . . 13
          2.1.15. Compliance with Other Laws . . . . . . . . 15
          2.1.16. Finder's Fee . . . . . . . . . . . . . . . 15
          2.1.17. Compliance with ERISA. . . . . . . . . . . 15
                 2.1.17.1. Prohibited Transactions . . . . . 15
                 2.1.17.2. Plan Termination; Material
                            Liabilities. . . . . . . . . . . 15
                 2.1.17.3. Accumulated Funding Deficiency. . 16
                 2.1.17.4. Relationship of Benefits to 
                            Pension Plan Assets. . . . . . . 16
                 2.1.17.5. Execution of Agreements . . . . . 16
                 2.1.17.6. Fiduciary Liability . . . . . . . 16
                 2.1.17.7. Pending Claims. . . . . . . . . . 16
                 2.1.17.8. Multiemployer Plans . . . . . . . 16
                 2.1.17.9. No Reportable Event . . . . . . . 17

      <PAGE>                        -ii-<PAGE>
          2.1.18. Investigations; Litigation . . . . . . . . 17
          2.1.19. Product Warranty . . . . . . . . . . . . . 17
          2.1.20. Information for Gundle Proxy Statement . . 17
          2.1.21. Compliance with Export Laws. . . . . . . . 17
          2.1.22. FIRPTA; Investment Company . . . . . . . . 18

                          ARTICLE III

           REPRESENTATIONS AND WARRANTIES OF GUNDLE. . . . . 18
3.1.  Representations and Warranties of Gundle . . . . . . . 18
      3.1.1.  Organization and Standing. . . . . . . . . . . 18
      3.1.2.  Agreement Authorized and its Effect 
                on Other Obligations . . . . . . . . . . . . 18
      3.1.3.  Capitalization . . . . . . . . . . . . . . . . 18
      3.1.4.  Subsidiaries . . . . . . . . . . . . . . . . . 19
      3.1.5.  Reports and Financial Statements . . . . . . . 19
      3.1.6.  Liabilities. . . . . . . . . . . . . . . . . . 19
      3.1.7.  Additional Gundle Information. . . . . . . . . 20
              3.1.7.1.  Real Estate . . . . . . . . . . . . 20
              3.1.7.2.  Machinery and Equipment . . . . . . 20
              3.1.7.3.  Inventory . . . . . . . . . . . . . 20
              3.1.7.4.  Receivables . . . . . . . . . . . . 20
              3.1.7.5.  Payables. . . . . . . . . . . . . . 20
              3.1.7.6.  Insurance . . . . . . . . . . . . . 20
              3.1.7.7.  Material Contracts. . . . . . . . . 20
              3.1.7.8.  Employee Compensation Plans . . . . 21
              3.1.7.9.  Certain Salaries. . . . . . . . . . 21
              3.1.7.10. Employee Agreements . . . . . . . . 21
              3.1.7.11. Patents . . . . . . . . . . . . . . 21
              3.1.7.12. Trade Names . . . . . . . . . . . . 21
              3.1.7.13. Promissory Notes. . . . . . . . . . 21
              3.1.7.14. Guaranties. . . . . . . . . . . . . 21
              3.1.7.15. Reserves and Accruals . . . . . . . 21
              3.1.7.16. Material Leases . . . . . . . . . . 21
              3.1.7.17. Environment . . . . . . . . . . . . 22
      3.1.8.  No Undisclosed Defaults . . . . . . . . . . . 22
      3.1.9.  Absence of Certain Changes and
              Events in Gundle. . . . . . . . . . . . . . . 22
              3.1.9.1.  Financial Change. . . . . . . . . . 22
              3.1.9.2.  Property Damage . . . . . . . . . . 22
              3.1.9.3.  Dividends . . . . . . . . . . . . . 22 
              3.1.9.4.  Capitalization Change . . . . . . . 22
              3.1.9.5.  Labor Disputes. . . . . . . . . . . 22
              3.1.9.6.  Other Material Changes. . . . . . . 23
      3.1.10. Taxes . . . . . . . . . . . . . . . . . . . . 23
      3.1.11. Intellectual Property . . . . . . . . . . . . 23
      3.1.12. Title to Properties . . . . . . . . . . . . . 23
      3.1.13. Litigation. . . . . . . . . . . . . . . . . . 24
      3.1.14. Environmental Compliance. . . . . . . . . . . 24
              3.1.14.1. Environmental Conditions. . . . . . 24
              3.1.14.2.  Permits, etc.. . . . . . . . . . . 24
      3.1.15. Compliance with Other Laws. . . . . . . . . . 25
<PAGE>                      -iii-

      3.1.16. Finder's Fee. . . . . . . . . . . . . . . . . 25
      3.1.17. ERISA . . . . . . . . . . . . . . . . . . . . 25
      3.1.18. Investigations; Litigation. . . . . . . . . . 26
      3.1.19. Product Warranty. . . . . . . . . . . . . . . 26
      3.1.20. Information for Proxy Statement . . . . . . . 26
      3.1.21. Compliance with Export Laws . . . . . . . . . 26
      3.1.22. FIRPTA; Investment Company. . . . . . . . . . 26

                           ARTICLE IV

               OBLIGATIONS PENDING EFFECTIVE DATE . . . . . 27

4.1.      Agreements of Gundle and SLT. . . . . . . . . . . . .
27
      4.1.1.  Maintenance of Present Business . . . . . . . 27
      4.1.2.  Maintenance of Properties . . . . . . . . . . 27
      4.1.3.  Maintenance of Books and Records. . . . . . . 27
      4.1.4.  Compliance with Law . . . . . . . . . . . . . 27
      4.1.5.  Inspection of Each Merging Corporation. . . . 27
4.2.  Additional Agreements of Gundle and SLT . . . . . . . 27
      4.2.1.  Hart-Scott-Rodino . . . . . . . . . . . . . . 27
      4.2.2.  Proxy Statement . . . . . . . . . . . . . . . 28
      4.2.3.  Notice of Material Developments . . . . . . . 28
4.3.  Additional Agreements of SLT. . . . . . . . . . . . . 28
      4.3.1.  Prohibition of Certain Employment
              Contracts . . . . . . . . . . . . . . . . . . 28
      4.3.2.  Prohibition of Certain Loans. . . . . . . . . 29
      4.3.3.  Prohibition of Certain Commitments. . . . . . 29
      4.3.4.  Disposal of Assets. . . . . . . . . . . . . . 29
      4.3.5.  Maintenance of Insurance. . . . . . . . . . . 29
      4.3.6.  SLT Acquisition Proposals . . . . . . . . . . 29
      4.3.7.  No Amendment to Certificate of
              Incorporation, etc. . . . . . . . . . . . . . 31
      4.3.8.  No Issuance, Sale, or Purchase
              of Securities . . . . . . . . . . . . . . . . 32
      4.3.9.  Prohibition on Dividends. . . . . . . . . . . 32
      4.3.10. Supplemental Financial Statements . . . . . . 32
4.4.  Additional Agreements of Gundle . . . . . . . . . . . 32
      4.4.1.  Prohibition of Certain Employment 
              Contracts . . . . . . . . . . . . . . . . . . 32
      4.4.2.  Prohibition of Certain Loans. . . . . . . . . 32
      4.4.3.  Prohibition of Certain Commitments. . . . . . 32
      4.4.4.  Disposal of Assets. . . . . . . . . . . . . . 33
      4.4.5.  Maintenance of Insurance. . . . . . . . . . . 33
      4.4.6.  Acquisition Proposals . . . . . . . . . . . . 33
      4.4.7.  No Amendment to Certificate of
              Incorporation, etc. . . . . . . . . . . . . . 35
      4.4.8.  No Issuance, Sale, or Purchase
              of Securities . . . . . . . . . . . . . . . . 35
      4.4.9.  Prohibition on Dividends. . . . . . . . . . . 36
      4.4.10. Stockholders' Meeting . . . . . . . . . . . . 36
      4.4.11. Issuance of Gundle Common Stock . . . . . . . 36
      4.4.12. Listing of Gundle Stock . . . . . . . . . . . 36
<PAGE>                        -iv-

      4.4.13. Notice of Material Developments . . . . . . . 36
      4.4.14. Refinancing of Outstanding Indebtedness . . . 36

                            ARTICLE V

               CONDITIONS PRECEDENT TO OBLIGATIONS. . . . . 37
5.1.  Conditions Precedent to Obligations of SLT. . . . . . 37
      5.1.1.  Representations and Warranties
              of Gundle True at Effective Date. . . . . . . 37
      5.1.2.  No Material Litigation. . . . . . . . . . . . 37
      5.1.3.  Opinion of Gundle Counsel . . . . . . . . . . 37
      5.1.4.  Stockholder Approval. . . . . . . . . . . . . 38
      5.1.5.  Hart-Scott-Rodino, etc. . . . . . . . . . . . 38
      5.1.6.  Listing of Gundle Common Stock. . . . . . . . 38
      5.1.7.  Consent of Certain Parties in
              Privity With Gundle . . . . . . . . . . . . . 38
5.2.  Conditions Precedent to Obligations of Gundle . . . . 39
      5.2.1.  Representations and Warranties of SLT
              True at Effective Date. . . . . . . . . . . . 39
      5.2.2.  No Material Litigation. . . . . . . . . . . . 39
      5.2.3.  Opinion of SLT's Counsel. . . . . . . . . . . 39
      5.2.4.  Stockholder Approval. . . . . . . . . . . . . 40
      5.2.5.  Hart-Scott-Rodino, etc. . . . . . . . . . . . 40
      5.2.6.  Consent of Certain Parties in
              Privity with SLT. . . . . . . . . . . . . . . 40
      5.2.7.  Employment Agreement With
              William P. Reid . . . . . . . . . . . . . . . 40
      5.2.8.  Insurance . . . . . . . . . . . . . . . . . . 40
      5.2.9.  Ancillary Matters . . . . . . . . . . . . . . 40

                            ARTICLE VI

                   TERMINATION AND ABANDONMENT. . . . . . . 41
6.1.  Termination . . . . . . . . . . . . . . . . . . . . . 41
      6.1.1.  By Mutual Consent . . . . . . . . . . . . . . 41
      6.1.2.  By Gundle Because of Dissenting
              Stockholders. . . . . . . . . . . . . . . . . 41
      6.1.3.  By Gundle Because of Conditions Precedent . . 41
      6.1.4.  By Gundle Due to a Superior
              Gundle Transaction Proposal . . . . . . . . . 41
      6.1.5.  By Gundle Because of Material
              Adverse Change. . . . . . . . . . . . . . . . 41
      6.1.6.  By SLT Because of Conditions Precedent. . . . 41
      6.1.7.  By SLT Due to a Superior SLT
              Transaction Proposal. . . . . . . . . . . . . 41
      6.1.8.  By SLT Because of Material Adverse Change . . 41
      6.1.9.  By Gundle or SLT Because of
              Legal Proceedings . . . . . . . . . . . . . . 42
      6.1.10. By Gundle or SLT if Merger not Effective by
              July 31, 1995 . . . . . . . . . . . . . . . . 42
6.2.  Termination by Board of Directors . . . . . . . . . . 42
6.3.  Effect of Termination . . . . . . . . . . . . . . . . 42

<PAGE>                          -v-
<PAGE>
6.4.  Waiver of Conditions. . . . . . . . . . . . . . . . . 42
6.5.  Expense on Termination. . . . . . . . . . . . . . . . 42

                           ARTICLE VII

                      ADDITIONAL AGREEMENTS . . . . . . . . 43
7.1.  Indemnification by SLT as to Proxy Statement. . . . . 43
7.2.  Indemnification by Gundle as to Proxy Statement . . . 43
7.3.  Undertaking to File Reports and Cooperate in 
      Rule 144 and Rule 145 Transactions. . . . . . . . . . 43
7.4.  Gundle Investment Suitability and Related
      Matters . . . . . . . . . . . . . . . . . . . . . . . 44

                          ARTICLE VIII

                         MISCELLANEOUS. . . . . . . . . . . 44
8.1.  Entirety. . . . . . . . . . . . . . . . . . . . . . . 44
8.2.  Counterparts. . . . . . . . . . . . . . . . . . . . . 44
8.3.  Notices and Waivers . . . . . . . . . . . . . . . . . 44
8.4.  Termination of Representations, Warranties, etc.. . . 45
8.5.  Table of Contents and Captions. . . . . . . . . . . . 45
8.6.  Successors and Assigns. . . . . . . . . . . . . . . . 45
8.7.  Severability. . . . . . . . . . . . . . . . . . . . . 45
8.8.  Applicable Law. . . . . . . . . . . . . . . . . . . . 45
8.9.  Public Announcements. . . . . . . . . . . . . . . . . 46
8.10. Definitions . . . . . . . . . . . . . . . . . . . . . 46
8.11. Accounting Treatment. . . . . . . . . . . . . . . . . 47

                           APPENDICES

Amended and Restated Certificate of 
Incorporation of Gundle. . . . . . . . . . . . . . . . App. I
Amended and Restated Bylaws of Gundle. . . . . . . .  App. II 
Registration Rights Agreement. . . . . . . . . . . . App. III 

<PAGE>                        -vi-
<PAGE>
                  PLAN AND AGREEMENT OF MERGER

     PLAN AND AGREEMENT OF MERGER, dated as of March 28, 1995, by
and among Gundle Environmental Systems, Inc., a Delaware 
corporation ("Gundle" or the "Surviving Corporation") and SLT 
Environmental, Inc., a Delaware corporation ("SLT").  Gundle and
SLT are hereinafter collectively referred to as the "Merging
Corporations." 

                    W I T N E S S E T H:

     WHEREAS, Gundle is a corporation duly organized and validly
existing under the laws of the State of Delaware, with its
registered office at 1209 Orange Street, Wilmington, Delaware
19801 and its principal executive office at 19103 Gundle Road,
Houston, Texas 77073;

     WHEREAS, the authorized capital stock of Gundle consists of
1,000 shares of preferred stock, no par value, of which at
December 31, 1994, no shares were issued or outstanding; and
15,000,000 shares of common stock, par value $.01 per share
("Gundle Common Stock"), of which at December 31, 1994,
10,184,568 shares were issued and outstanding, and an additional
494,539 shares were reserved for issuance in conjunction with
various employee benefit plans; at the same date, 500,000 shares
of Common Stock were held in Gundle's treasury;

     WHEREAS, SLT is a corporation duly organized and validly
existing under the laws of the State of Delaware, with its
registered office at 1209 Orange Street, Wilmington, Delaware
19801 and the principal executive office of its primary North
American subsidiary located at 200 South Trade Center Parkway,
Conroe, Texas 77385;

     WHEREAS, the authorized capital stock of SLT consists of
1,000 shares of common stock, par value $1 per share (the "SLT
Common Stock"), of which at December 31, 1994, 100 shares were
issued and outstanding; at the same date, no shares were reserved
for issuance or held in SLT's treasury; and

     WHEREAS, the respective boards of directors of Gundle and
SLT deem it desirable and in the best interests of their
respective corporations and their respective stockholders that
SLT be merged into Gundle, pursuant to the provisions of Section
251 of the General Corporation Law of the State of Delaware, in
exchange for the consideration herein provided for, and have
proposed, declared advisable, and approved such merger pursuant
to this Plan and Agreement of Merger (the "Agreement"), which
Agreement has been duly approved by resolutions of the respective
boards of directors of Gundle and SLT;

PAGE
<PAGE>
     NOW, THEREFORE, in consideration of the premises and of the
mutual covenants and agreements herein contained, and in order to
set forth the terms and conditions of the merger, the mode of
carrying the same into effect, the manner and basis of converting
the presently outstanding shares of SLT Common Stock into shares
of Gundle Common Stock, and such other details and provisions as
are deemed necessary or proper, the parties hereto agree as
follows:


                           ARTICLE I

                            MERGER

     1.1.  Surviving Corporation.  Subject to the adoption and
approval of this Agreement by the requisite vote of the
stockholders of each of the Merging Corporations and to the other
conditions hereinafter set forth, Gundle and SLT shall be, upon
the Effective Date of the merger as defined in Section 1.3
hereof, merged into a single surviving corporation, which shall
be Gundle, one of the Merging Corporations, which shall continue
its corporate existence and remain a Delaware corporation
governed by and subject to the laws of that state.

     1.2.  Stockholder Approval.  This Agreement shall be
submitted for adoption and approval by the stockholders of each
of the Merging Corporations in accordance with their respective
certificates of incorporation and the applicable laws of the
State of Delaware, at separate meetings called and held for such
purpose.

     1.3.  Effective Date.  The merger shall become effective
upon the filing by Gundle of a Certificate of Merger with the
Secretary of State of the State of Delaware in accordance with
Section 251(c) of the General Corporation Law of the State of
Delaware.  The date upon which the merger shall become effective
is referred to in this Agreement as the "Effective Date."

     1.4.  Name and Continued Corporate Existence of Surviving
Corporation

           1.4.1.  Name and Existence.  On the Effective Date,
     the Certificate of Incorporation of Gundle, the corporation
     whose corporate existence is to survive the merger and
     continue thereafter as the surviving corporation, shall be
     amended and restated in its entirety into the form annexed
     hereto as Appendix I (the "Restated Certificate of
     Incorporation").  In all other respects the identity,
     existence, purposes, powers, objects, franchises, rights,
     and immunities of Gundle, the surviving corporation of the
     merger, shall continue unaffected and unimpaired by the
     merger, and the corporate identity, existence, purposes,

<PAGE>                           2
<PAGE>
     powers, objects, franchises, rights, and immunities of SLT
     shall be wholly merged into Gundle, the Surviving
     Corporation, and Gundle shall be fully vested therewith. 
     Accordingly, on the Effective Date, the separate existence
     of SLT, except insofar as continued by statute, shall cease.

           1.4.2.  Federal Income Tax Treatment of Merger.  The
     merger is intended to qualify as and, subject to the
     requirements of Section 368(a)(1)(A) of the Internal Revenue Code
     of 1986, as amended (the "Code"), shall be characterized as
     a tax-free merger transaction described in Section 368(a)(1)(A) of
     the Code.

     1.5.  Governing Law and Certificate of Incorporation of
Surviving Corporation

          1.5.1.  Delaware Law Governs and Gundle Certificate of
     Incorporation, as Amended and Restated, Survives.  The laws
     of Delaware shall continue to govern the Surviving
     Corporation.  On the Effective Date, the Restated
     Certificate of Incorporation shall be the certificate of
     incorporation of Gundle until further amended in the manner
     provided by law.

     1.6.  Bylaws of Surviving Corporation

         1.6.1.  Gundle Bylaws Survive.  Effective as of the
     Effective Date, the bylaws of Gundle shall be amended and
     restated in their entirety in the form attached hereto as
     Appendix II (the "Restated Bylaws"), and the Restated Bylaws
     shall be the bylaws of the Surviving Corporation until
     altered, amended, or repealed, or until new bylaws shall be
     adopted in accordance with the provisions of law, the
     Restated Certificate of Incorporation and the Restated
     Bylaws.


<PAGE>                            3
<PAGE>
     1.7.  Directors and Officers of Surviving Corporation

          1.7.1.  Directors of Surviving Corporation.  The names
     and addresses of the persons who, upon the Effective Date,
     shall constitute the board of directors of the Surviving
     Corporation, and who shall hold office until the first
     annual meeting of stockholders of the Surviving Corporation
     next following the Effective Date, are as follows:

          Name                                 Address

     Samir T. Badawi, Chairman      27 Rue du Bois de Boulogne
                                    92200 Neuilly/Seine France

     Thomas L. Caltrider, 
     Vice Chairman                  19103 Gundle Road
                                    Houston, Texas  77073

     Hugh L. Rice                   90 Madison Street
                                    Suite 600
                                    Denver, Colorado  80206

     Brian D. Young                 520 Madison Avenue
                                    New York, New York  10022

     T. William Porter              700 Louisiana Street
                                    Suite 3500
                                    Houston, Texas  77002

     William P. Reid                23 Misty Grove Circle
                                    The Woodlands, Texas  77381

     and one additional nominee to be selected by SLT before the
     mailing by Gundle of a proxy statement relating to a
     shareholder vote with respect to the merger contemplated by
     this Agreement. 

          1.7.2.  Vacancies.  On or after the Effective Date, if
     a vacancy shall exist for any reason in the board of
     directors or in any of the offices of the Surviving
     Corporation, such vacancy shall be filled in the manner
     provided in the Restated Certificate of Incorporation and/or
     Restated Bylaws of the Surviving Corporation.

     1.8.  Capital Stock of Surviving Corporation

         1.8.1   Capital Stock of Surviving Corporation.  The
     authorized number of shares of capital stock of the
     Surviving Corporation, and the par value, designations,

<PAGE>                          4
<PAGE>
     preferences, rights, and limitations thereof, and the
     express terms thereof, shall be as set forth in the Restated
     Certificate of Incorporation.

     1.9.   Conversion of Securities upon Merger

         1.9.1.  General.  The manner and basis of converting the
     issued and outstanding shares of the capital stock of SLT
     into shares of the capital stock of Gundle shall be as
     hereinafter set forth in this Section 1.9.

         1.9.2.  Conversion of SLT Common Stock.  On the
     Effective Date, each share of SLT Common Stock then issued
     and outstanding, without any action on the part of the
     holders thereof, shall automatically become and be converted
     into the right to receive certificates evidencing 70,000
     fully paid and nonassessable shares of issued and
     outstanding Gundle Common Stock (the "Gundle Shares") upon
     surrender, in accordance with Section 1.9.3 hereof, of
     certificates theretofore evidencing shares of SLT Common
     Stock.  The Gundle Shares are hereinafter referred to
     collectively as the "Merger Consideration."  

        1.9.3.  Exchange of SLT Common Stock Certificates. 
     Commencing on the Effective Date, each holder of an
     outstanding certificate or certificates theretofore
     representing shares of SLT Common Stock may surrender the
     same to an exchange agent designated by Gundle, and such
     holder shall be entitled upon such surrender to receive in
     exchange therefor a certificate or certificates
     representing the number of whole Gundle Shares into which
     the shares of SLT Common Stock theretofore represented by
     the certificate or certificates so surrendered shall have
     been converted as aforesaid.  However, before surrender,
     each outstanding certificate representing issued and
     outstanding SLT Common Stock shall be deemed, for all
     purposes, only to evidence ownership of the number of whole
     Gundle Shares into which such shares have been so converted.
     Unless and until such outstanding certificates formerly
     representing SLT Common Stock are so surrendered, no
     dividend payable to holders of record of Gundle Common Stock
     as of any date after the Effective Date shall be paid to the
     holders of such outstanding certificates in respect thereof.
     Upon surrender of such outstanding certificates, however,
     there shall be paid to the holders of the certificates of
     Gundle Shares issued in partial exchange therefor the amount
     of dividends, if any, which theretofore (but after the
     Effective Date) became payable with respect to such full
     Gundle Shares.  No interest shall be payable with respect to
     the payment of such dividends on surrender of outstanding
     certificates.  The holder of fractional share interests, as

<PAGE>                           5
<PAGE>
     such, shall not be entitled to any dividends or to any
     distribution in the event of liquidation or to any voting or
     other privileges of a stockholder of Gundle.

        1.9.4.  Gundle Fractional Shares.  No certificates for
     fractional share interests of Gundle Common Stock will be
     issued, but, in lieu thereof, Gundle will settle all such
     fractional share interests in cash on the basis of the
     closing price for Gundle Common Stock on the American Stock
     Exchange on the last trading day before the Effective Date.

        1.9.5.  SLT's Transfer Books Closed.  Upon the Effective
     Date, the stock transfer books of SLT shall be deemed
     closed, and no transfer of any certificates theretofore
     representing shares of SLT shall thereafter be made or
     consummated.

     1.10.  Assets and Liabilities

         1.10.1.  Assets and Liabilities of Merging Corporations
     Become Those of Surviving Corporation.  On the Effective
     Date, all rights, privileges, powers, immunities, and
     franchises of each of the Merging Corporations, both of a
     public and private nature, and all property, real, personal,
     and mixed, and all debts due on whatever account, as well as
     stock subscriptions and all other choses or things in
     action, and all and every other interest of or belonging to
     or due to either of the Merging Corporations, shall be taken
     by and deemed to be transferred to and shall be vested in
     the Surviving Corporation without further act or deed, and
     all such rights, privileges, powers, immunities, and
     franchises, property, debts, choses or things in action, and
     all and every other interest of each of the Merging
     Corporations shall be thereafter as effectually the property
     of the Surviving Corporation as they were of the respective
     Merging Corporations, and the title to any real or other
     property, or any interest therein, whether vested by deed or
     otherwise, in either of the Merging Corporations, shall not
     revert or be in any way impaired by reason of the merger,
     provided, however, that all rights of creditors and all
     liens upon any properties of each of the Merging
     Corporations shall be preserved unimpaired, and all debts,
     liabilities, restrictions, obligations, and duties of the
     respective Merging Corporations, including without
     limitation all obligations, liabilities and duties as lessee
     under any existing lease, shall thenceforth attach to the
     Surviving Corporation and may be enforced against and by it
     to the same extent as if such debts, liabilities, duties,
     restrictions and obligations had been incurred or contracted
     by it.  Any action or proceeding pending by or against
     either of the Merging Corporations may be prosecuted to

<PAGE>                            6
<PAGE>
     judgment as if the merger had not taken place, or the
     Surviving Corporation may be substituted in place of either
     of the Merging Corporations.
  

        1.10.2.  Conveyances to Surviving Corporation.  The
     Merging Corporations hereby agree, respectively, that from
     time to time, as and when requested by the Surviving
     Corporation, or by its successors and assigns, they will
     execute and deliver or cause to be executed and delivered,
     all such deeds, conveyances, assignments, permits, licenses
     and other instruments, and will take or cause to be taken
     such further or other action as the Surviving Corporation,
     its successors or assigns, may deem necessary or desirable
     to vest or perfect in or confirm to the Surviving
     Corporation, its successors and assigns, title to and 
     possession of all the property, rights, privileges, powers,
     immunities, franchises, and interests referred to in this
     Section 1.10.2 and otherwise carry out the intent and
     purposes of this Agreement.

        1.10.3.  Accounting Treatment.  The assets and
    liabilities of the Merging Corporations shall be taken up on
    the books of the Surviving Corporation in accordance with
    generally accepted accounting principles, and the capital
    surplus and retained earnings accounts of the Surviving 
    Corporation shall be determined, in accordance with generally
    accepted accounting principles, by the board of directors of
    the Surviving Corporation.  Nothing herein shall prevent the
    board of directors of the Surviving Corporation from making
    any future changes in its accounts in accordance with law.

        1.10.4.  Unclaimed Merger Consideration; No Escheat. 
    Subject to any contrary provision of governing law, all
    consideration deposited with the exchange agent or held by
    Gundle for the payment of the consideration into which the
    outstanding shares of SLT Common Stock shall have been
    converted, and remaining unclaimed for one year after the
    Effective Date, shall be paid or delivered to Gundle; and the
    holder of any unexchanged certificate or certificates which
    before the Effective Date represented shares of SLT Common
    Stock shall thereafter look only to Gundle for exchange or
    payment thereof upon surrender of such certificate or
    certificates to Gundle.

        1.10.5.  Dissenting Stockholders of SLT.  SLT (or Gundle
     on behalf of SLT) agrees that, if the merger contemplated
     hereby becomes effective, it will promptly pay to any
     dissenting stockholder of SLT the amount, if any, to which
     such holder is entitled under the provisions of Section 262
     of the Delaware General Corporation Law, provided such
     dissenter acts in strict compliance with such provisions.

<PAGE>                          7<PAGE>
                        ARTICLE II

             REPRESENTATIONS AND WARRANTIES
                         OF SLT

     2.1. Representations and Warranties of SLT.  SLT represents
and warrants as follows:

        2.1.1.  Organization and Standing.  SLT is a corporation
     duly organized, validly existing and in good standing under
     the laws of the State of Delaware, has full requisite
     corporate power and authority to carry on its business as
     it is currently conducted, and to own and operate the
     properties currently owned and operated by it, and is duly
     qualified or licensed to do business and is in good standing
     as a foreign corporation authorized to do business in all
     jurisdictions in which the character of the properties owned
     or the nature of the business conducted by it would make
     such qualification or licensing necessary, except where the
     failure to be so qualified or licensed would not have a
     material adverse effect on the financial condition,
     properties or business of SLT.

        2.1.2.  Agreement Authorized and its Effect on Other
     Obligations.  This Agreement has been approved by the
     requisite majority of the stockholders of SLT.  The
     consummation of the transactions contemplated hereby have
     been duly and validly authorized by all necessary corporate
     action on the part of SLT, and this Agreement is a valid and
     binding obligation of SLT enforceable against SLT (subject
     to normal equitable principles) in accordance with its
     terms, except as enforceability may be limited by
     bankruptcy, insolvency, reorganization, debtor relief or
     similar laws affecting the rights of creditors generally. 
     At the Effective Date, the consummation of the merger
     contemplated by this Agreement will not conflict with or
     result in a violation or breach of any term or provision of,
     nor constitute a default under (i) the certificate of
     incorporation or bylaws of SLT or (ii) any obligation,
     indenture, mortgage, deed of trust, lease, contract or other
     agreement to which SLT or any of its subsidiaries is a party
     or by which any of them or their properties are bound, other
     than such violations, breaches or defaults as would not
     result in any material adverse change in the financial
     condition, properties or businesses of SLT and its
     subsidiaries taken as a whole.


<PAGE>                            8
<PAGE>
        2.1.3.  Capitalization.  The authorized capitalization of
     SLT consists of 1,000 shares of common stock, par value $1
     per share (the "SLT Common Stock"), of which at
     December 31, 1994, 100 shares were issued and outstanding;
     at the same date, no shares were reserved for issuance or
     held in SLT's treasury.  There exist no outstanding options,
     subscriptions, warrants, calls, or similar commitments to
     purchase, issue or sell or to convert any securities or
     obligations into any of the authorized or issued capital
     stock of SLT or any securities or obligations convertible
     into or exchangeable for such capital stock.

        2.1.4.  Subsidiaries.  Schedule 2.1.4 lists the
     subsidiary corporations of SLT existing at December 31, 
     1994, and shows as to each of such subsidiary corporations
     the percentage of the total outstanding stock thereof which
     is owned by SLT.  All outstanding shares of stock of the
     subsidiary corporations owned by SLT are validly issued,
     fully paid, and nonassessable, and SLT has good and
     marketable title thereto free and clear of any mortgage,
     pledge, lien, charge, security interest, option, right of
     first refusal, preferential purchase right, defect,
     encumbrance or other right or interest of any other person
     (collectively, an "Encumbrance").  Each such subsidiary is a
     corporation duly organized, validly existing, and in good
     standing under the laws of the jurisdiction under which it
     is incorporated and has full requisite corporate power and
     authority to own its property and carry on its business as
     presently conducted by it and is, or on the Effective Date
     will be, duly qualified or licensed to do business and is,
     or on the Effective Date will be, in good standing as a
     foreign corporation authorized to do business in all
     jurisdictions in which the character of the properties owned
     or the nature of the business conducted makes such
     qualification or licensing necessary, except where the
     failure to be so qualified or licensed would not have a
     material adverse effect on the financial condition,
     properties or business of such subsidiary.  As hereinafter 
     used in this Article II, the term "SLT" also includes any
     and all of its directly and indirectly held subsidiaries,
     except where the context indicates to the contrary.
  
        2.1.5.  Financial Statements.  SLT has delivered to
     Gundle copies of SLT's audited consolidated balance sheet
     and related statements of income, retained earnings, and
     cash flows, with appended notes which are an integral part
     of such statements, as at and for SLT's fiscal years ended
     December 31, 1989, 1990, 1991, 1992, 1993 and 1994.  Such
     financial statements are complete in all material respects,
     present fairly the financial condition of SLT as at the
     dates indicated, and the results of operations for the

<PAGE>                           9
<PAGE>
     respective periods indicated, and have been prepared in
     accordance with generally accepted accounting principles
     applied on a consistent basis, except as noted therein.  The
     accounts receivable reflected in the December 31, 1994
     audited consolidated balance sheet, or which have been
     thereafter acquired by SLT, have been collected or are
     current and collectible at the aggregate recorded amounts
     thereof less applicable reserves computed in accordance with
     generally accepted accounting principles, which reserves are
     adequate.  The inventories of SLT reflected in the
     December 31, 1994 audited consolidated balance sheet, or
     which have thereafter been acquired by it, consist of items
     of a quality and quantity usable and salable in the normal
     course of SLT's business, and the values at which
     inventories are carried are in accordance with generally
     accepted accounting principles.

         2.1.6.  Liabilities.  SLT does not have any liabilities
     or obligations, either accrued, absolute, contingent, or
     otherwise, or have any knowledge of any potential
     liabilities or obligations, which would materially adversely
     affect the value and conduct of the business of SLT, other
     than those (i) reflected or reserved against in the
     December 31, 1994 audited consolidated balance sheet of SLT,
     (ii) incurred in the ordinary course of business since
     December 31, 1994 or (iii) set forth on Schedule 2.1.6
     hereto.

       2.1.7.  Additional SLT Information.  Attached as Schedule
     2.1.7 are true, complete and correct lists of the following
     items (which will be periodically updated by SLT and
     delivered to Gundle through the Effective Date), and SLT
     agrees that upon the request of Gundle, it will furnish to
     Gundle true, complete and correct copies of any documents
     referred to in such lists:
    
               2.1.7.1.  Real Estate.  All real property and
         structures thereon owned, leased or subject to a
         contract of purchase and sale, or lease commitment, by
         SLT, with a description of the nature and amount of any 
         Encumbrances thereto;

               2.1.7.2.  Machinery and Equipment.  All machinery,
         transportation equipment, tools, equipment, furnishings,
         and fixtures (excluding such items as did not have a
         cost basis of $1,000 or more at their respective dates
         of acquisition by SLT) owned, leased or subject to a
         contract of purchase and sale, or lease commitment, by
         SLT with a description of the nature and amount of any
         Encumbrances thereon;

<PAGE>                              10
<PAGE>
               2.1.7.3.  Inventory.  All inventory items or
         groups of inventory items owned by SLT, together with
         the amount of any Encumbrances thereon;

               2.1.7.4.  Receivables.  All accounts and notes
         receivable of SLT, together with (i) aging schedules by
         invoice date and due date, (ii) the amounts provided for
         as an allowance for bad debts, (iii) the identity and
         location of any asset in which SLT holds a security
         interest to secure payment of the underlying
         indebtedness, and (iv) a description of the nature and
         amount of any Encumbrances on such accounts and notes
         receivable;

               2.1.7.5.  Payables.  All accounts and notes
         payable of SLT, together with an appropriate aging
         schedule;

               2.1.7.6.  Insurance.  All insurance policies or
         bonds currently maintained by SLT, including title
         insurance policies, with respect to SLT, including those
         covering SLT's properties, buildings, machinery,
         equipment, fixtures, employees and operations, as well
         as a listing of any premiums, audit adjustments or
         retroactive adjustments due or pending on such policies
         or any predecessor policies;

               2.1.7.7.  Material Contracts.  All contracts
         (including purchase and sale contracts, representative
         contracts and construction contracts) made not in the
         ordinary course of business, including leases under
         which SLT is lessor or lessee, which are to be performed
         in whole or in part after the Effective Date, and which
         involve or may involve aggregate payments by or to SLT
         of $50,000 or more after such date;

               2.1.7.8.  Employee Compensation Plans.  All bonus,
         incentive compensation, deferred compensation, profit-
         sharing, retirement, pension, welfare, group insurance,
         death benefit, or other fringe benefit plans,
         arrangements or trust agreements of SLT, together with
         copies of the most recent reports with respect to such
         plans, arrangements, or trust agreements filed with any
         governmental agency and all Internal Revenue Service
         determination letters that have been received with
         respect to such plans (collectively, "Employee Plans");


<PAGE>                           11
<PAGE>
               2.1.7.9.  Certain Salaries.  The names and salary
         rates of all present officers and employees of SLT whose
         current regular annual salary rate is $50,000 or more,
         together with any bonuses paid or payable to such
         persons for the fiscal year ended December 31, 1994, or
         since that date, and, to the extent existing on the date
         of this Agreement, all arrangements with respect to any
         bonuses to be paid to them from and after the date of
         this Agreement;

               2.1.7.10.  Bank Accounts.  The name of each bank
         in which SLT has an account and the names of all persons
         authorized to draw thereon; 

               2.1.7.11.  Employee Agreements.  Any collective
         bargaining agreements of SLT with any labor union or
         other representative of employees, including amendments,
         supplements, and written or oral understandings, and all
         employment and consulting agreements of SLT;

               2.1.7.12.  Patents.  All patents, trademarks,
         copyrights and other intellectual property rights owned,
         licensed, or used by SLT;

               2.1.7.13.  Trade Names.  All trade names and
         fictitious names used or held by SLT, whether and where
         such names are registered and where used;
 
               2.1.7.14.  Promissory Notes.  All long-term and
         short-term promissory notes, installment contracts, loan
         agreements, credit agreements, and any other agreements
         of SLT relating thereto or with respect to collateral
         securing the same;

               2.1.7.15.  Guaranties.  All indebtedness,
         liabilities and commitments of others and as to which
         SLT is a guarantor, endorser, co-maker, surety, or
         accommodation maker, or is contingently liable therefor
         (excluding liabilities as an endorser of checks and the
         like in the ordinary course of business) and all letters
         of credit, whether stand-by or documentary, issued by
         any third party; 

               2.1.7.16.  Financial Statements.  Financial
         statements (which may be in summary form) containing the
         information described in Paragraphs 2.1.5 and Paragraph
         4.3.10, prepared in the manner described in such
         Paragraphs;

               2.1.7.17.  Reserves and Accruals.  All accounting
         reserves and accruals maintained in the SLT financial

<PAGE>                          12
<PAGE>
         statements as of December 31, 1994, including a report
         on the status of all unresolved warranty claims in
         existence on such date;

              2.1.7.18.  Material Leases.  All material leases
         to which SLT is a party; and

              2.1.7.19.  Environment.  All environmental permits,
         approvals, certi-fications, licenses, registrations,
         orders and decrees applicable to current operations
         conducted by SLT and all environmental audits,
         assessments, investigations and reviews conducted within
         the last five years on any property owned or used by
         SLT. 

         Schedule 2.1.7 shall be true, complete and correct as of
     the Effective Date, except for items contained in Paragraphs
     2.1.7.1; 2.1.7.2; 2.1.7.4; 2.1.7.5; and 2.1.7.16; and
     2.1.7.17, which are true, complete and correct as of
     December 31, 1994; and the items contained in Paragraph
     2.1.7.3, which are true, complete and correct as of
     March 31, 1995.  The items contained in Paragraph 2.1.7.3
     may be provided to Gundle after the date of the execution of
     this Agreement but before the Effective Date.

          2.1.8.  No Undisclosed Defaults.  Except as may be
     specified in Schedule 2.1.8, SLT is not a party to, or bound
     by, any material contract or arrangement of any kind to be
     performed after the Effective Date, nor is SLT in default in
     any material obligation or covenant on their part to be
     performed under any material obligation, lease, contract,
     order, plan or other arrangement except as identified in
     Schedule 2.1.8.

          2.1.9.  Absence of Certain Changes and Events.  Except
     as set forth in Schedule 2.1.9 hereto, other than as a
     result of the transactions contemplated by this Agreement,
     since December 31, 1994, there has not been:
 
               2.1.9.1.  Financial Change.  Any material adverse
          change in the financial condition, backlog, operations,
          assets, liabilities or business of SLT;

               2.1.9.2.  Property Damage.  Any material damage,
          destruction, or loss to the business or properties of
          SLT (whether or not covered by insurance);


<PAGE>                           13
<PAGE>
               2.1.9.3.  Dividends.  Any declaration, setting
          aside, or payment of any dividend or other distribution
          in respect of the common stock of SLT, or any direct or
          indirect redemption, purchase or any other acquisition
          by SLT of any such stock;

               2.1.9.4.  Capitalization Change.  Any change in
          the capital stock or in the number of shares or classes
          of SLT's authorized or outstanding capital stock as
          described in Paragraph 2.1.3;

               2.1.9.5.  Labor Disputes.  Any labor dispute
          (other than routine grievances); or

               2.1.9.6.  Other Material Changes.  Any other event
          or condition known to SLT particularly pertaining to
          and adversely affecting the operations, assets or
          business of SLT (other than events or conditions which
          are of a general or industry-wide nature and of general
          public knowledge) which would constitute a material
          adverse change.

          2.1.10.  Taxes.  Except as set forth in Schedule
     2.1.10, and except with respect to failures which, in the
     aggregate, would not result in a material adverse change to
     SLT, proper and accurate Federal, state and local income,
     value added, sales, use, franchise, gross revenue, turnover,
     excise, payroll, property, employment, customs duties and
     any and all other tax returns, reports, and estimates have
     been filed with appropriate governmental agencies, domestic
     and foreign, by SLT for each period for which any returns,
     reports, or estimates were due (taking into account any
     extensions of time to file before the date hereof); all
     taxes shown by such returns to be payable and any other
     taxes due and payable have been paid other than those being
     contested in good faith by SLT; and the tax provision
     reflected in SLT's financial statements as of December 31,
     1994 is adequate, in accordance with generally accepted
     accounting principles, to cover liabilities of SLT at the
     date thereof for all taxes, including any interest,
     penalties and additions to taxes of any character whatsoever
     applicable to SLT or its assets or business.  Except as set
     forth on Schedule 2.1.10, no waiver of any statute of
     limitations executed by SLT with respect to federal or state
     income or other tax is in effect for any period.  The
     Federal income tax returns of SLT have never been examined
     by the Internal Revenue Service.  There are no tax liens on
     any assets of SLT except for taxes not yet currently due and
     those which could not reasonably be expected to result in a
     material adverse change to SLT.  The net operating loss and

<PAGE>                           14
<PAGE>
     other tax carryovers available to SLT and each of its
     subsidiaries reflected on its most recently filed Federal
     income tax return as of the date hereof are as set forth on
     Schedule 2.1.10, and except as set forth on Schedule
     2.1.10 or resulting from the transactions contemplated by
     this Agreement, the ability of SLT and each of its
     subsidiaries to use such carryovers will not have been
     affected by Sections 382, 383 or 384 of the Code or by the
     SRLY or CRCO limitations of Treasury Regulations Sections
     1.1502-21 or 1.1502-22.

          2.1.11.  Intellectual Property.  Except as set forth in
     Schedule 2.1.11, SLT owns or possesses licenses to use all
     patents, patent applications, trademarks and service marks
     (including registrations and applications therefor), trade
     names, copyrights and written know-how, trade secrets and
     all other similar proprietary data and the goodwill
     associated therewith (collectively, the "Intellectual
     Property") that are either material to the business of SLT
     or that are necessary for the manufacture, use or sale of
     any products manufactured, used or sold by SLT, including
     all such Intellectual Property listed in Schedule 2.1.7. 
     The Intellectual Property is owned or licensed by SLT free
     and clear of any Encumbrance other than such Encumbrances as
     are listed in Schedule 2.1.11.  Except as otherwise
     indicated in such Schedule, SLT has not granted to any other
     person any license to use any Intellectual Property.  SLT
     has not received any notice of infringement,
     misappropriation, or conflict with, the intellectual
     property rights of others in connection with the use by SLT
     of the Intellectual Property.

          2.1.12.  Title to Properties.  With minor exceptions
     which in the aggregate are not material, and except for
     merchandise and other property sold, used or otherwise
     disposed of in the ordinary course of business for fair
     value, SLT has good and marketable title to all its
     properties, interests in properties and assets, real and
     personal, reflected in the December 31, 1994 financial
     statements referred to in Paragraph 2.1.5 or in Schedule
     2.1.7, free and clear of any Encumbrance of any nature
     whatsoever, except (i) liens and Encumbrances reflected in
     the balance sheet of SLT dated December 31, 1994 referred to
     in Paragraph 2.1.5 or in Schedule 2.1.7, (ii) liens for
     current taxes not yet due and payable, and (iii) such
     imperfections of title, easements and Encumbrances, if any,
     as are not substantial in character, amount, or extent and
     do not and will not materially detract from the value, or
     interfere with the present use, of the property subject
     thereto or affected thereby, or otherwise materially impair

<PAGE>                           15
<PAGE>
     business operations.  All leases pursuant to which SLT
     leases (whether as lessee or lessor) any substantial amount
     of real or personal property are in good standing, valid,
     and effective; and there is not, under any such leases, any
     existing or prospective default or event of default or event
     which with notice or lapse of time, or both, would
     constitute a default by SLT and in respect to which SLT has
     not taken adequate steps to prevent a default from
     occurring.  The buildings and premises of SLT that are used
     in its business are in good operating condition and repair,
     subject only to ordinary wear and tear.  All major items of
     equipment of SLT are in good operating condition and in a
     state of reasonable maintenance and repair, ordinary wear
     and tear excepted, and are free from any known defects
     except as may be repaired by routine maintenance and such
     minor defects as to not substantially interfere with the
     continued use thereof in the conduct of normal operations.

          2.1.13.  Litigation.  Except to the extent set forth in
     Schedule 2.1.13, there is no suit, action, or legal,
     administrative, arbitration, or other proceeding or
     governmental investigation pending to which SLT is a party
     or, to the knowledge of SLT, might become a party or which
     particularly affects SLT, nor is any change in the zoning or
     building ordinances directly affecting the real property or
     leasehold interests of SLT, pending or, to the knowledge of
     SLT, threatened.

          2.1.14.  Environmental Compliance.  Except as set forth
     in Schedule 2.1.14; 

               2.1.14.1.  Environmental Conditions.  There are no
          environmental conditions or circumstances, such as the
          presence or release of any hazardous substance, on any
          property presently or previously owned by SLT that
          could result in a material adverse change to SLT.

               2.1.14.2.  Permits, etc.  SLT has in full force
          and effect all environmental permits, licenses,
          approvals and other authorizations required to conduct
          its operations and is operating in compliance
          thereunder. 

               2.1.14.3.  Compliance.  SLT's operations and use
          of its assets do not violate any applicable federal,
          state or local law, statute, ordinance, rule,
          regulation, order or notice requirement pertaining to
          (a) the condition or protection of air, groundwater,
          surface water, soil, or other environmental media,
          (b) the environment, including natural resources or any

<PAGE>                           16
<PAGE>
          activity which affects the environment, or (c) the
          regulation of any pollutants, contaminants, waste,
          substances (whether or not hazardous or toxic),
          including, without limitation, the Comprehensive
          Environmental Response Compensation and Liability Act
          (42 U.S.C. Section 9601 et seq.), the Hazardous Materials
          Transportation Act (49 U.S.C. Section  1801 et seq.), the
          Resource Conservation and Recovery Act (42 U.S.C. 
          Section 1609 et seq.), the Clean Water Act (33 U.S.C. Section 1251
          et seq.), the Clean Air Act (42 U.S.C. Section 7401 et seq.),
          the Toxic Substances Control Act (17 U.S.C. Section 2601 
          et seq.), the Federal Insecticide Fungicide and
          Rodenticide Act (7 U.S.C. Section 136 et seq.), the Safe
          Drinking Water Act (42 U.S.C. Section 201 and Section 300f 
          et seq.), the Rivers and Harbors Act (33 U.S.C. Section 401
          et seq.), the Oil Pollution Act (33 U.S.C. Section 2701 
          et seq.) and analogous state and local provisions, as
          any of the foregoing may have been amended or
          supplemented from time to time (collectively the
          "Applicable Environmental Laws"), except for violations
          which, either singly or in the aggregate, would not
          result in a material adverse change to SLT. 

               2.1.14.4.  Past Compliance.  None of the
          operations or assets of SLT has ever been conducted or
          used in such a manner as to constitute violation of any
          of the Applicable Environmental Laws, except for
          violations which, either singly or in the aggregate,
          would not result in a material adverse change to SLT. 

               2.1.14.5.  Environmental Claims.  No notice has
          been served on SLT from any entity, governmental agency
          or individual regarding any existing, pending or
          threatened investigation or inquiry related to alleged
          violations under any Applicable Environmental Laws, or
          regarding any claims for remedial obligations or
          contribution under any Applicable Environmental Laws,
          other than any of the foregoing which, either singly or
          in the aggregate, would not result in a material
          adverse change to SLT.

               2.1.14.6.  Renewals.  SLT does not know of any
          reason Gundle would not be able to renew any of the
          permits, licenses, or other authorizations required
          pursuant to any Applicable Environmental Laws to
          operate and use any of SLT's assets for their current
          purposes and uses. 


<PAGE>                           17
<PAGE>
               2.1.14.7.  Asbestos and PCBs.  No asbestos or
          polychlorinated biphenyls ("PCB") are currently being
          used or have ever been used by SLT in its operations or
          on its properties.

          2.1.15.  Compliance with Other Laws.  Except as set
     forth in Schedule 2.1.15, SLT is not in violation of or in
     default with respect to, or in alleged violation of or
     alleged default with respect to, the Occupational Safety and
     Health Act (29 U.S.C. Sections 651 et seq.) as amended ("OSHA"),
     or any other applicable law or any applicable rule,
     regulation, or any writ or decree of any court or any
     governmental commission, board, bureau, agency, or
     instrumentality, or delinquent with respect to any report
     required to be filed with any governmental commission,
     board, bureau, agency or instrumentality, except for
     violations which, either singly or in the aggregate, do not
     and are not expected to result in a material adverse change
     in the financial condition, properties or business of SLT.

          2.1.16.  Finder's Fee.  All negotiations relative to
     this Agreement and the transactions contemplated hereby have
     been carried on by SLT and its counsel directly with Gundle
     and its counsel, without the intervention of any other
     person as the result of any act of SLT, and so far as is
     known to SLT, without the intervention of any other person
     in such manner as to give rise to any valid claim against
     any of the parties hereto for a brokerage commission,
     finder's fee or any similar payments.

          2.1.17.  Compliance with ERISA.  Each benefit plan set
     forth on Schedule 2.1.17 (the "Benefit Plans") complies
     currently, and has complied in the past, in form and
     operation, with the applicable provisions of the Employee
     Retirement Income Security Act of 1974, as amended
     ("ERISA"), the Internal Revenue Code of 1986, as amended
     (the "Code"), and other applicable laws.  All contributions
     required to be made to each Benefit Plan under the terms of
     such Benefit Plans, ERISA or other applicable laws have been
     timely made.

               2.1.17.1.  Prohibited Transactions.  SLT has not
          engaged in any transaction in connection with which it
          could be subject (either directly or indirectly) to a
          material liability for either a civil penalty assessed
          pursuant to Section 502(i) of ERISA or a tax imposed by
          Section 4975 of the Code.

<PAGE>                           18
<PAGE>
               2.1.17.2.  Plan Termination; Material Liabilities.
          There has been no termination of an "employee pension
          benefit plan" as defined in ERISA which is subject to
          Title IV of ERISA (a "Statutory Plan") or trust created
          under any Statutory Plan that would give rise to a
          material liability to the Pension Benefit Guaranty
          Corporation ("PBGC") on the part of SLT.  All Statutory
          Plans intended to be tax-qualified under Section 401(a)
          or 403(a) of the Code have complied in the past, both
          in form and operation, with every provision of the
          Code, every regulation promulgated pursuant thereto,
          and every ruling, notice or announcement issued by the
          Internal Revenue Service necessary to maintain the
          qualified status of such Statutory Plans.  No
          material liability to the PBGC has been or is expected
          to be incurred with respect to any Statutory Plan.  The
          PBGC has not instituted proceedings to terminate any
          Statutory Plan.  There exists no condition or set of
          circumstances which presents a material risk of
          termination or partial termination of any Statutory
          Plan by the PBGC.

               2.1.17.3.  Accumulated Funding Deficiency.  Full
          payment has been made of all amounts which are required
          under the terms of each Statutory Plan, ERISA or other
          applicable laws, domestic and foreign, to have been
          paid as contributions to such Statutory Plan as of
          December 31, 1994, and no accumulated funding
          deficiency (as defined in Section 302 of ERISA and
          Section 412 of the Code), whether or not waived, exists
          with respect to any Statutory Plan or, other than as
          set forth on Schedule 2.1.17.3, with respect to any
          foreign employee pension benefit plan maintained by SLT
          or any of its subsidiaries.  

               2.1.17.4  Relationship of Benefits to Pension Plan
          Assets.  The current value of all accrued benefits,
          both vested and unvested, under all Statutory Plans
          does not exceed the current value of the assets of such
          Statutory Plans allocable to such accrued benefits,
          except as disclosed in the financial statements
          described in Paragraph 2.1.5.  For purposes of the
          representation in this Paragraph 2.1.17.4, the term
          "current value" has the meaning specified in Section
          4062(b)(1)(A) of ERISA, the term "accrued benefit" has
          the meaning specified in Section 3 of ERISA and
          "current value" is based upon the same actuarial
          assumptions used by SLT for funding.

<PAGE>                           19
<PAGE>
              2.1.17.5.  Execution of Agreements.  The execution
          and delivery of this Agreement and the consummation of
          the transactions contemplated hereby will not involve
          any transaction which is subject to the prohibitions of
          Section 406 of ERISA or in connection with which a tax
          could be imposed pursuant to Section 4975 of the Code.

               2.1.17.6.  Fiduciary Liability.  There have been
          no acts, failures to act, omissions or transactions
          involving a Statutory Plan or the assets thereof which
          could result in imposition on SLT (whether direct or
          indirect) of damages or liability in actions brought
          under Section 502 or Sections 404 through 409 of ERISA.

               2.1.17.7.  Pending Claims.  There are no claims,
          pending or threatened, involving any of the Benefit
          Plans by any current or former employee (or beneficiary
          thereof) of SLT which allege any violation of ERISA or
          the terms of the Benefit Plans, nor is there any
          reasonable basis to anticipate any claims involving
          such Benefit Plans which would likely be successfully
          maintained against SLT.

               2.1.17.8.  Multiemployer Plans.  Except as set
          forth in Schedule 2.1.17.8, neither SLT nor any trade
          or business (whether or not incorporated) which
          together with SLT would be deemed to be a "single
          employer" within the meaning of Section 4001(b) of
          ERISA or Subsections 414(b), (c), (m) or (o) of the
          Code sponsors, maintains, or contributes to, or has at
          any time in the six-year period preceding the date of
          this Agreement sponsored, maintained or contributed to,
          any plan (not exempt from the provisions of ERISA),
          including, but not limited to, any plan which is a
          "multiemployer plan" as such term is defined in Section
          3(37) or 4001(a)(3) of ERISA.

               2.1.17.9.  No Reportable Event.  There has been no
          "reportable event" (within the meaning of Section
          4043(b) of ERISA with respect to a Statutory Plan) or
          any "prohibited transaction" (as such term is defined
          in Section 406 of ERISA and Section 4975(c) of the
          Code) with respect to any of the Employee Plans.  All
          reporting and disclosure requirements under Title I of
          ERISA have been met.


<PAGE>                           20
<PAGE>
          2.1.18.  Investigations; Litigation.   Except as
     required pursuant to the Hart-Scott-Rodino Antitrust
     Improvements Act of 1978 and the rules and regulations
     promulgated thereunder (collectively, "HSR") and any
     applicable comparable foreign laws and regulations, (i) no
     investigation or review by any governmental entity with
     respect to SLT or any of the transactions contemplated by
     this Agreement is pending or, to the best of SLT's
     knowledge, threatened, nor has any governmental entity
     indicated to SLT an intention to conduct the same, and
     (ii) there is no action, suit or proceeding pending or, to
     the best of SLT's knowledge, threatened against or affecting
     SLT at law or in equity, or before any federal, state,
     municipal or other governmental department, commission,
     board, bureau, agency or instrumentality, which either
     individually or in the aggregate, does or is likely to
     result in any material adverse change in the financial
     condition, properties or businesses of SLT.

          2.1.19.  Product Warranty.  There are no existing
     liabilities or, to the knowledge of SLT, potential
     liabilities, arising from claims regarding the performance
     or design of the products sold by SLT either in the past or
     at present that in the aggregate would constitute a material
     adverse change.

          2.1.20.  Information for Gundle Proxy Statement.  All
     information and data (including financial statements)
     concerning SLT which is or will be included in the proxy
     statement (the "Proxy Statement") to be used by Gundle in
     connection with the transactions contemplated by this
     Agreement will be furnished by SLT for inclusion therein and
     will not contain any untrue statement of a material fact or
     omit to state a material fact necessary in order to make the
     statements contained therein not misleading.

          2.1.21.  Compliance with Export Laws.  All exports by
     SLT of equipment, software and other technology have been
     made in compliance with all federal and other applicable
     laws, rules and regulations and in connection therewith, SLT
     has obtained all required approvals of the U.S. Department
     of Commerce and Department of Treasury.

          2.1.22  FIRPTA; Investment Company.  SLT is not a
     United States real property holding corporation within the
     meaning of Section 897(c)(2) of the Code during the applicable
     period specified in Section  897(c)(1)(A)(ii) of the Code, nor is
     it an "investment company," or an "affiliated person of" or
     "promoter" or "principal underwriter" of an investment
     company, as those terms are defined in the Investment
     Company Act of 1940, as amended (the "Investment Company
     Act").

<PAGE>                           21 <PAGE>
                        ARTICLE III

           REPRESENTATIONS AND WARRANTIES OF GUNDLE

     3.1.  Representations and Warranties of Gundle.  Gundle
represents and warrants as follows:

          3.1.1.  Organization and Standing.  Gundle is a
     corporation duly organized, validly existing and in good
     standing under the laws of the State of Delaware, has full
     requisite corporate power and authority to carry on its
     business as it is currently conducted, and to own and
     operate the properties currently owned and operated by it,
     and is duly qualified or licensed to do business and is in
     good standing as a foreign corporation authorized to do
     business in all jurisdictions in which the character of the
     properties owned or the nature of the business conducted by
     it would make such qualification or licensing necessary,
     except where the failure to be so qualified or licensed
     would not have a material adverse effect on the financial
     condition, properties or business of Gundle.  

          3.1.2.  Agreement Authorized and its Effect on Other
     Obligations.  Upon approval of this Agreement by the
     stockholders of Gundle, the consummation of the transactions
     contemplated hereby will have been duly and validly
     authorized by all necessary corporate action on the part of
     Gundle, and this Agreement will be a valid and binding
     obligation of Gundle enforceable against Gundle (subject to
     normal equitable principles) in accordance with its terms,
     except as enforceability may be limited by bankruptcy,
     insolvency, reorganization, debtor relief or similar laws
     affecting the rights of creditors generally.  At the
     Effective Date, the consummation of the merger contemplated
     by this Agreement will not conflict with or result in a
     violation or breach of any term or provision of, nor
     constitute a default under (i) the certificate of
     incorporation or bylaws of Gundle or (ii) any obligation,
     indenture, mortgage, deed of trust, lease, contract or other
     agreement to which Gundle or any of its subsidiaries is a
     party or by which any of them or their properties are bound,
     other than such violations, breaches or defaults as would
     not result in any material adverse change in the financial
     condition, properties or business of Gundle and its
     subsidiaries taken as a whole.


<PAGE>                           22
<PAGE>
          3.1.3.  Capitalization.  The capitalization of Gundle
     consists of 1,000 shares of preferred stock, no par value,
     of which at December 31, 1994 no shares were issued or
     outstanding; and 15,000,000 shares of Gundle Common Stock,
     of which at December 31, 1994, 10,184,568 shares were issued
     and outstanding and 494,539 shares were reserved for
     issuance in connection with various employee benefit plans;
     at the same date, 500,000 shares of Gundle Common Stock were
     held in Gundle's treasury.

          3.1.4.  Subsidiaries.  All outstanding shares of stock
     of the subsidiary corporations owned by Gundle are validly
     issued, fully paid, and nonassessable, and Gundle has good
     and marketable title thereto free and clear of any
     Encumbrance.  Each such subsidiary is a corporation duly
     organized, validly existing, and in good standing under the
     laws of the jurisdiction under which it is incorporated and
     has full requisite corporate power and authority to own its
     property and carry on its business as presently conducted by
     it and is, or on the Effective Date will be, duly qualified
     or licensed to do business and is, or on the Effective Date
     will be, in good standing as a foreign corporation
     authorized to do business in all jurisdictions in which the
     character of the properties owned or the nature of the
     business conducted makes such qualification or licensing
     necessary, except where the failure to be so qualified or
     licensed would not have a material adverse effect on the
     financial condition, properties or business of such
     subsidiary.  As hereinafter used in this Article III, the
     term "Gundle" also includes any and all of its directly and
     indirectly held subsidiaries, except where the context
     indicates to the contrary.

          3.1.5.  Reports and Financial Statements.  Gundle has
     previously furnished to SLT true and complete copies of
     (a) all annual reports filed with the Securities and
     Exchange Commission (the "Commission") pursuant to the
     Securities Exchange Act of 1934, as amended (the "Exchange
     Act"), since December 31, 1991, (b) Gundle's quarterly and
     other reports filed with the Commission since December 31,
     1992, (c) all definitive proxy solicitation materials filed
     with the Commission since December 31, 1991, and (d) any
     registration statements declared effective by the Commission
     since December 31, 1991.  The consolidated financial
     statements of Gundle and its subsidiaries included in
     Gundle's most recent report on Form 10-K and most recent
     report on Form 10-Q, and any other reports filed with the
     Commission by Gundle under the Exchange Act (the "Reports")
     were, or will be, prepared in accordance with generally
     accepted accounting principles applied on a consistent basis


<PAGE>                           23
<PAGE>
     during the periods involved and fairly present, or will
     present, the consolidated financial position for Gundle and
     its subsidiaries as of the dates thereof and the
     consolidated results of their operations and changes in
     financial position for the periods then ended; and the
     Reports did not and will not contain any untrue statement of
     a material fact or omit to state a material fact required to
     be stated therein or necessary to make the statements
     therein, in light of the circumstances under which they were
     made, not misleading.  Since December 31, 1991, Gundle has
     filed with the Commission all reports required to be filed
     by Gundle under the Exchange Act and the rules and
     regulations of the Commission.

          3.1.6.  Liabilities.  Gundle does not have any
     liabilities or obligations, either accrued, absolute,
     contingent, or otherwise, or have any knowledge of any
     potential liabilities or obligations, which would materially
     adversely affect the value and conduct of the business of
     Gundle, other than those (i) disclosed in the Reports or
     (ii) set forth on  Schedule 3.1.6 hereto.

          3.1.7.  Additional Gundle Information.  Attached as
     Schedule 3.1.7 are true, complete and correct lists of the
     following items, other than such items as are contained or
     disclosed in the Reports (and the Exhibits filed pursuant
     thereto) (all of which will be periodically updated by
     Gundle and delivered to SLT through the Effective Date), and
     Gundle agrees that upon the request of SLT, it will furnish
     to SLT true, complete and correct copies of any documents
     referred to in such lists:

               3.1.7.1.  Real Estate.  All real property and
          structures thereon owned, leased or subject to a
          contract of purchase and sale, or lease commitment, by
          Gundle, with a description of the nature and amount of
          any Encumbrances thereto;

               3.1.7.2.  Machinery and Equipment.  All machinery,
          transportation equipment, tools, equipment,
          furnishings, and fixtures (excluding such items as did
          not have a cost basis of $1,000 or more at their
          respective dates of acquisition by Gundle) owned,
          leased or subject to a contract of purchase and sale,
          or lease commitment, by Gundle with a description of
          the nature and amount of any Encumbrances thereon;

               3.1.7.3  Inventory.  All inventory items or groups
          of inventory items owned by Gundle, together with the
          amount of any Encumbrances thereon;

<PAGE>                           24
<PAGE>
               3.1.7.4.  Receivables.  All accounts and notes
          receivable of Gundle, together with (i) aging schedules
          by invoice date and due date, (ii) the amounts provided
          for as an allowance for bad debts, (iii) the identity
          and location of any asset in which Gundle holds a
          security interest to secure payment of the underlying
          indebtedness, and (iv) a description of the nature and
          amount of any Encumbrances on such accounts and notes
          receivable;

               3.1.7.5.  Payables.  All accounts and notes
          payable of Gundle, together with an appropriate aging
          schedule;
         
               3.1.7.6.  Insurance.  All insurance policies or
          bonds currently maintained by Gundle, including title
          insurance policies, with respect to Gundle, including
          those covering Gundle's properties, buildings,
          machinery, equipment, fixtures, employees and
          operations, as well as a listing of any premiums, audit
          adjustments or retroactive adjustments due or pending
          on such policies or any predecessor policies;
         
               3.1.7.7.  Material Contracts.  All contracts
          (including purchase and sale contracts, representative
          contracts and construction contracts) made not in the
          ordinary course of business, including leases under
          which Gundle is lessor or lessee, which are to be
          performed in whole or in part after the Effective Date,
          and which involve or may involve aggregate payments by
          or to Gundle of $50,000 or more after such date;
         
               3.1.7.8.  Employee Compensation Plans.  All
          Employee Plans;
         
               3.1.7.9.  Certain Salaries.  The names and salary
          rates of all present officers and employees of Gundle
          whose current regular annual salary rate is $50,000 or
          more, together with any bonuses paid or payable to such
          persons for the fiscal year ended March 31, 1994, and,
          to the extent existing on the date of this Agreement,
          all arrangements with respect to any bonuses to be paid
          to them from and after the date of this Agreement;
         
               3.1.7.10.  Employee Agreements.  Any collective
          bargaining agreements of Gundle with any labor union or
          other representative of employees, including
          amendments, supplements, and written or oral
          understandings, and all employment and consulting
          agreements of Gundle;
         

<PAGE>                           25
<PAGE>
               3.1.7.11.  Patents.  All patents, trademarks,
          copyrights and other intellectual property rights
          owned, licensed, or used by Gundle;
         
               3.1.7.12.  Trade Names.  All trade names and
          fictitious names used or held by Gundle, whether and
          where such names are registered and where used;
         
               3.1.7.13.  Promissory Notes.  All long-term and
          short-term promissory notes, installment contracts,
          loan agreements, credit agreements, and any other
          agreements of Gundle relating thereto or with respect
          to collateral securing the same;
         
               3.1.7.14.  Guaranties.  All indebtedness,
          liabilities and commitments of others and as to which
          Gundle is a guarantor, endorser, co-maker, surety, or
          accommodation maker, or is contingently liable therefor
          (excluding liabilities as an endorser of checks and the
          like in the ordinary course of business) and all
          letters of credit, whether stand-by or documentary,
          issued by any third party; 
         
               3.1.7.15.  Reserves and Accruals.  All accounting
          reserves and accruals maintained in the Gundle
          financial statements as of December 31, 1994, including
          a report on the status of all unresolved warranty
          claims in existence on such dates.
         
               3.1.7.16.  Material Leases.  All material leases
          to which Gundle is a party.

               3.1.7.17.  Environment. All environmental permits,
          approvals, certifications, licenses, registrations,
          orders and decrees applicable to current operations
          conducted by Gundle and all environmental audits,
          assessments, investigations and reviews conducted
          within the last five years on any property owned or
          used by Gundle. 

          Schedule 3.1.7 shall be true, complete and correct as
     of the Effective Date, except for items contained in Para-
     graphs 3.1.7.1; 3.1.7.2; 3.1.7.4; 3.1.7.5; and 3.1.7.17,
     which are true, complete and correct as of December 31,
     1994; and the items contained in Paragraph 3.1.7.3, which
     are true, complete and correct as of December 31, 1994.  In
     addition, the items contained in Paragraph 3.1.7.3 may be
     provided to SLT after the date of the execution of this
     Agreement but before the Effective Date.  In addition,
     Gundle shall, on SLT's request, furnish SLT copies of all
     Reports filed by Gundle with the Commission after the date
     hereof through the Effective Date. 

<PAGE>                           26
<PAGE>
          3.1.8.  No Undisclosed Defaults.  Except as may be
     specified in the Reports or in Schedule 3.1.8, Gundle is not
     a party to, or bound by, any material contract or
     arrangement of any kind to be performed after the Effective
     Date, nor is Gundle in default in any material obligation or
     covenant on its part to be performed under any material
     obligation, lease, contract, order, plan or other
     arrangement except as identified in the Reports or in
     Schedule 3.1.8.

          3.1.9.  Absence of Certain Changes and Events in
     Gundle.  Except as set forth in Schedule 3.1.9 hereto, other
     than as a result of the transactions contemplated by this
     Agreement, since December 31, 1994, there has not been:
    
               3.1.9.1.  Financial Change.  Any material adverse
          change in the financial condition, operations, assets
          or business of Gundle;
         
               3.1.9.2.  Property Damage.  Any material damage,
          destruction, or loss to the business or properties of
          Gundle (whether or not covered by insurance);
         
               3.1.9.3.  Dividends.  Any declaration, setting
          aside, or payment of any dividend or other distribution
          in respect of any dividend or other distribution in
          respect of Gundle's capital stock, or any direct or
          indirect redemption, purchase or any other acquisition
          of such stock; 
         
               3.1.9.4.  Capitalization Change.  Any change in
          the capital stock or in the number of shares or classes
          of Gundle's authorized or outstanding capital stock as
          described in Paragraph 3.1.3;
         
               3.1.9.5.  Labor Disputes.  Any labor dispute
          (other than routine grievances); or
         
               3.1.9.6.  Other Material Changes.  Any other event
          or condition known to Gundle particularly pertaining to
          and adversely affecting the operations, assets or
          business of Gundle (other than events or conditions
          which are of a general or industry-wide nature and of
          general public knowledge) which would constitute a
          material adverse change.

         3.1.10.  Taxes.  Except as set forth in Schedule 3.1.10,
     and except with respect to failures which in the aggregate,
     would not result in a material adverse change on Gundle,
     proper and accurate Federal, state and local income, value
     added, sales, use, franchise, gross revenue, turnover,

<PAGE>                           27
<PAGE>
     excise, payroll, property, employment, customs duties and
     any and all other tax returns, reports, and estimates have
     been filed with appropriate governmental agencies, domestic
     and foreign, by Gundle for each period for which any
     returns, reports, or estimates were due (taking into account
     any extensions of time to file before the date hereof); all
     taxes shown by such returns to be payable and any other
     taxes due and payable have been paid other than those being
     contested in good faith by Gundle; and the tax provision
     reflected in Gundle's financial statements as of
     December 31, 1994 is adequate, in accordance with generally
     accepted accounting principles, to cover liabilities of
     Gundle at the date thereof for all taxes, including any
     interest, penalties and additions to taxes of any character
     whatsoever applicable to Gundle or its assets or business. 
     Except as set forth on Schedule 3.1.10, no waiver of any
     statute of limitations executed by Gundle with respect to
     Federal or state income or other tax is in effect for any
     period.  The Federal income tax returns of Gundle have never
     been examined by the Internal Revenue Service.  There are no
     tax liens on any assets of Gundle except for taxes not yet
     currently due and those which could not reasonably be
     expected to result in a material adverse change to Gundle. 
    
          3.1.11.  Intellectual Property.  Except as set forth in
     Schedule 3.1.11, Gundle owns or possesses licenses to use
     all Intellectual Property that is either material to the
     business of Gundle or that is necessary for the manufacture,
     use or sale of any products manufactured, used or sold by
     Gundle, including all such Intellectual Property listed in
     the Reports.  The Intellectual Property is owned or licensed
     by Gundle free and clear of any Encumbrance other than such
     Encumbrances as are listed in Schedule 3.1.11.  Except as
     otherwise indicated in such Schedule, Gundle has not granted
     to any other person any license to use any Intellectual
     Property.  Gundle has not received any notice of
     infringement, misappropriation, or conflict with, the
     intellectual property rights of others in connection with
     the use by Gundle of its Intellectual Property.
    
          3.1.12.  Title to Properties.  With minor exceptions
     which in the aggregate are not material, and except for
     merchandise and other property sold, used or otherwise
     disposed of in the ordinary course of business for fair
     value, Gundle has good and marketable title to all its
     properties, interests in properties and assets, real and
     personal, reflected in the December 31, 1994 financial
     statements contained in the Reports, free and clear of any
     Encumbrance of any nature whatsoever, except (i) liens and
     Encumbrances reflected in the balance sheet of Gundle dated

<PAGE>                           28
<PAGE>
     December 31, 1994 included in the Reports, (ii) liens for
     current taxes not yet due and payable, and (iii) such
     imperfections of title, easements and Encumbrances, if any,
     as are not substantial in character, amount, or extent and
     do not and will not materially detract from the value, or
     interfere with the present use, of the property subject
     thereto or affected thereby, or otherwise materially impair
     business operations.  All leases pursuant to which Gundle
     leases (whether as lessee or lessor) any substantial amount
     of real or personal property are in good standing, valid,
     and effective; and there is not, under any such leases, any
     existing or prospective default or event of default or event
     which with notice or lapse of time, or both, would
     constitute a default by Gundle and in respect to which
     Gundle has not taken adequate steps to prevent a default
     from occurring.  The buildings and premises of Gundle that
     are used in its business are in good operating condition and
     repair, subject only to ordinary wear and tear.  All major
     items of equipment of Gundle are in good operating condition
     and in a state of reasonable maintenance and repair,
     ordinary wear and tear excepted, and are free from any known
     defects except as may be repaired by routine maintenance and
     such minor defects as to not substantially interfere with
     the continued use thereof in the conduct of normal
     operations.

          3.1.13.  Litigation.  Except to the extent set forth in
     the Reports or in Schedule 3.1.13, there is no suit, action,
     or legal, administrative, arbitration, or other proceeding
     or governmental investigation pending to which Gundle is a
     party or, to the knowledge of Gundle, might become a party
     or which particularly affects Gundle, nor is any change in
     the zoning or building ordinances directly affecting the
     real property or leasehold interests of Gundle, pending or,
     to the knowledge of Gundle, threatened.
    
          3.1.14.  Environmental Compliance.  Except as set forth
     in Schedule 3.1.14; 

               3.1.14.1.  Environmental Conditions.  There are no
          environmental conditions or circumstances such as the
          presence or release of any hazardous substance on any
          property presently or previously owned by Gundle that
          could result in a material adverse change to Gundle.
         
               3.1.14.2.  Permits, etc.  Gundle has in full force
          and effect all environmental permits, licenses,
          approvals and other authorizations required to conduct
          its operations and is operating in compliance
          thereunder. 

<PAGE>                           29
<PAGE>
               3.1.14.3.  Compliance.  Gundle's operations and
          use of its assets do not violate any Applicable
          Environmental Laws, except for violations which, either
          singly or in the aggregate, would not result in a
          material adverse change to Gundle. 
         
               3.1.14.4.  Past Compliance.  None of the
          operations or assets of Gundle has ever been conducted
          or used in such a manner as to constitute violation of
          any of the Applicable Environmental Laws except for
          violations which, either singly or in the aggregate,
          would not result in a material adverse change to
          Gundle. 
         
               3.1.14.5.  Environmental Claims.  No notice has
          been served on Gundle from any entity, governmental
          agency or individual regarding any existing, pending or
          threatened investigation or inquiry related to alleged
          violations under any Applicable Environmental Laws, or
          regarding any claims for remedial obligations or
          contribution under any Applicable Environmental Laws,
          other than any of the foregoing which, either singly or
          in the aggregate, would not result in a material
          adverse change to Gundle.
         
               3.1.14.6.  Renewals.  Gundle does not know of any
          reason Gundle would not be able to renew any of the
          permits, licenses, or other authorizations required
          pursuant to any Applicable Environmental Laws to
          operate and use any of Gundle's assets for their
          current purposes and uses. 
         
               3.1.14.7.  Asbestos and PCBs.  No asbestos or
          polychlorinated biphenyls ("PCB") are currently being
          used or have ever been used by Gundle in its operations
          or on its properties.

          3.1.15.  Compliance with Other Laws.  Except as set
     forth in the Reports or in Schedule 3.1.15, Gundle is not in
     violation of or in default with respect to, or in alleged
     violation of or alleged default with respect to, OSHA or any
     other applicable law or any applicable rule, regulation, or
     any writ or decree of any court or any governmental
     commission, board, bureau, agency, or instrumentality, or
     delinquent with respect to any report required to be filed
     with any governmental commission, board, bureau, agency or
     instrumentality, except for violations which, either singly
     or in the aggregate, do not and are not expected to result
     in a material adverse change in the financial condition,
     properties or business of Gundle. 

<PAGE>                           30
<PAGE>
          3.1.16.  Finder's Fee.  All negotiations relative to
     this Agreement and the transactions contemplated hereby have
     been carried on by Gundle and its counsel, directly with SLT
     or its counsel, without the intervention of any other person
     as the result of an act of Gundle and, so far as known to
     Gundle, without the intervention of any other person in such
     manner as to give rise to any valid claim against any of the
     parties hereto for a brokerage commission, finder's fee, or
     any similar payments, other than financial advisory fees to
     be paid by Gundle to Smith Barney Inc. ("Smith Barney") for
     the rendition of a fairness opinion in connection with the
     merger contemplated by this Agreement.
    
          3.1.17.  ERISA.  Gundle does not now maintain, sponsor
     or contribute to, and never has maintained, sponsored or
     contributed to, any program or arrangement that is an
     "employee pension benefit plan" or a "multi-employer plan"
     as such terms are defined in Sections 3(2) and 3(37)
     respectively, of ERISA.  Gundle does not maintain or
     contribute, now or at anytime previously, to a "defined
     benefit plan", as defined in Section 3(35) of ERISA. 
    
          3.1.18.  Investigations; Litigation.  Except as
     required pursuant to HSR and any applicable comparable
     foreign laws and regulations, (i) no investigation or review
     by any governmental entity with respect to Gundle in
     connection with any of the transactions contemplated by this
     Agreement is pending or, to the best of Gundle's knowledge,
     threatened, nor has any governmental entity indicated to
     Gundle an intention to conduct the same and (ii) there is no
     action, suit or proceeding pending or, to the best of
     Gundle's knowledge, threatened against or affecting Gundle
     or its subsidiaries at law or in equity, or before any
     federal, state, municipal or other governmental department,
     commission, board, bureau, agency or instrumentality, which
     either individually or in the aggregate, does or is likely
     to have a material adverse affect in its financial
     condition, properties or business taken as a whole.
    
          3.1.19.  Product Warranty.  There are no existing
     liabilities or, to the knowledge of Gundle, potential
     liabilities, arising from claims regarding the performance
     or design of the products sold by Gundle either in the past
     or at present that in the aggregate would constitute a
     material adverse change.



<PAGE>                           31
<PAGE>
          3.1.20.  Information for Proxy Statement.  All
     information and data (including financial statements)
     concerning Gundle which is or will be included in the Proxy
     Statement to be used by Gundle in connection with the
     transactions contemplated by this Agreement will be
     furnished by Gundle for inclusion therein and will not
     contain any untrue statement of a material fact or omit to
     state a material fact necessary in order to make the
     statements contained therein not misleading.

          3.1.21.  Compliance with Export Laws.  All exports by
     Gundle of equipment, software and other technology have been
     made in compliance with all federal and other applicable
     laws, rules and regulations and in connection therewith,
     Gundle has obtained all required approvals of the U.S.
     Department of Commerce and Department of Treasury.
    
          3.1.22.  FIRPTA; Investment Company.  Gundle is not a
     United States real property holding corporation within the
     meaning of Section  897(c)(2) of the Code during the applicable
     period specified in Section  897(c)(1)(A)(ii) of the Code, nor is
     it an "investment company," or an "affiliated person of" or
     "promoter" or "principal underwriter" of an investment
     company, as those terms are defined in the Investment
     Company Act.


                              ARTICLE IV

                   OBLIGATIONS PENDING EFFECTIVE DATE

     4.1  Agreements of Gundle and SLT.  Each of Gundle and SLT
agrees that from the date hereof to the Effective Date, it will 
(and unless otherwise indicated by the context, since
December 31, 1994, it has):

          4.1.1.  Maintenance of Present Business.  Other than as
     contemplated by this Agreement, operate its business only in
     the usual, regular, and ordinary manner so as to maintain
     the goodwill it now enjoys and, to the extent consistent
     with such operation, use all reasonable efforts to preserve
     intact its present business organization, keep available the
     services of its present officers and employees, and preserve
     its relationships with customers, suppliers, jobbers,
     distributors, and others having business dealings with it;
    
          4.1.2.  Maintenance of Properties.  At its expense,
     maintain all of its property and assets in customary repair,
     order, and condition, reasonable wear and use and damage by
     fire or unavoidable casualty excepted;

<PAGE>                           32
<PAGE>
          4.1.3.  Maintenance of Books and Records.  Maintain its
     books of account and records in the usual, regular, and
     ordinary manner, in accordance with generally accepted
     accounting principles applied on a consistent basis;
    
          4.1.4.  Compliance with Law.  Duly comply in all
     material respects with all laws applicable to it and to the
     conduct of its business; and
    
          4.1.5.  Inspection of Each Merging Corporation.  Permit
     the other party hereto, and their officers and authorized
     representatives, during normal business hours, to inspect
     its records and to consult with its officers, employees,
     attorneys, and agents for the purpose of determining the
     accuracy of the representations and warranties hereinabove
     made and the compliance with covenants contained in this
     Agreement.  Gundle and SLT each agrees that it and its
     officers and representatives shall hold all data and
     information obtained with respect to the other party hereto
     in confidence and each further agrees that it will not use
     such data or information or disclose the same to others,
     except to the extent such data or information either are, or
     become, published or a matter of public knowledge.
    
     4.2.  Additional Agreements of Gundle and SLT.  Gundle and
SLT agree to take the following actions after the date hereof:

          4.2.1.  Hart-Scott-Rodino.  Each party shall file such
     materials as are required under the HSR Act with respect to
     the transaction contemplated hereby and shall cooperate with
     the other party to the extent necessary to assist the other
     party in the preparation of such filings.
    
          4.2.2.  Proxy Statement.  Gundle and SLT shall
     cooperate in the preparation and prompt filing of a Proxy
     Statement with the Commission under the Exchange Act with
     respect to the meeting of Gundle's stockholders called for
     the purpose of, among other things, securing stockholder
     approval of the merger contemplated by this Agreement.  Each
     of Gundle and SLT shall use all reasonable efforts to have
     the Proxy Statement cleared by the Commission.
    
          4.2.3.  Notice of Material Developments.  Each of
     Gundle and SLT will promptly notify the other party in
     writing of any "material adverse change" in, or any changes
     which, in the aggregate, could result in a "material adverse
     change" in, the consolidated financial condition, business
     or affairs of such party, whether or not occurring in the
     ordinary course of business.  As used in this Agreement, the

<PAGE>                           33
<PAGE>
     term "material adverse change" means any change, event,
     circumstance or condition (collectively, a "Change") which
     when considered with all other Changes would reasonably be
     expected to result in a "loss" having the effect of so
     fundamentally adversely affecting the business or financial
     prospects of Gundle or SLT, as the case may be, that the
     benefits reasonably expected to be obtained by such party as
     a result of the merger contemplated by this Agreement would
     be jeopardized with relative certainty.  In no event shall a
     change in the trading price of the Gundle Common Stock on
     the American Stock Exchange between the date hereof and the
     Effective Date, in and of itself, constitute a material
     adverse change. The term "loss" shall mean any and all
     direct or indirect payments, obligations, assessments,
     losses, loss of income, liabilities, fines, penalties, costs
     and expenses paid or incurred or more likely than not to be
     paid or incurred, or diminutions in value of any kind or
     character (whether or not known or unknown, conditional or
     unconditional, choate or inchoate, liquidated or
     unliquidated, secured or unsecured, accrued, absolute,
     contingent or otherwise) that are more likely than not to
     occur, including without limitation penalties, interest on
     any amount payable to a third party as a result of the
     foregoing and any legal or other expenses reasonably
     incurred or more likely than not to be incurred in
     connection with investigating or defending any demands,
     claims, actions or causes of action that, if adversely
     determined, would likely result in losses, and all amounts
     paid in settlement of claims or actions; provided, however,
     that losses shall be net of any insurance proceeds entitled
     to be received from a nonaffiliated insurance company on
     account of such losses (after taking into account any costs
     incurred in obtaining such proceeds and any increase in
     insurance premiums as a result of a claim with respect to
     such proceeds);
    
     4.3.  Additional Agreements of SLT.  SLT agrees that from
December 31, 1994 it has not, and from the date hereof to the
Effective Date, it will:

          4.3.1.  Prohibition of Certain Employment Contracts. 
     Not enter into any contracts of employment which (i) cannot
     be terminated on notice of 14 days or less or (ii) provide
     for any severance payments or benefits covering a period
     beyond the termination date (other than those which Gundle
     has previously approved) except as may be required by law;

          4.3.2.  Prohibition of Certain Loans.  Not incur any
     borrowings except (i) the refinancing of indebtedness now
     outstanding or additional borrowings under its existing
     revolving credit facilities, (ii) the prepayment by

<PAGE>                         34

<PAGE>

     customers of amounts due or to become due for goods sold or
     services rendered or to be rendered in the future, 
     (iii) trade payables incurred in the ordinary course of
     business, (iv) other borrowings incurred in the ordinary
     course of business to finance normal operations or (v) as is
     otherwise agreed to in writing by Gundle;

          4.3.3.  Prohibition of Certain Commitments.  Not enter
     into commitments of a capital expenditure nature or incur
     any contingent liability which would exceed $375,000, in the
     aggregate, except (i) as may be necessary for the
     maintenance of existing facilities, machinery and equipment
     in good operating condition and repair in the ordinary
     course of business, (ii) as may be required by law or 
     (iii) as is otherwise agreed to in writing by Gundle;
    
          4.3.4.  Disposal of Assets.  Not sell, dispose of, or
     encumber, any property or assets, except (i) in the ordinary
     course of business or (ii) as is otherwise agreed to in
     writing by Gundle;
    
          4.3.5.  Maintenance of Insurance.  Maintain insurance
     upon all its properties and with respect to the conduct of
     its business of such kinds and in such amounts as is
     customary in the type of business in which it is engaged,
     but not less than that presently carried by it, which
     insurance may be added to from time to time in its
     discretion; provided, that if during the period from the
     date hereof to and including the Effective Date any of its
     property or assets are damaged or destroyed by fire or other
     casualty, the obligations of Gundle and SLT under this
     Agreement shall not be affected thereby (subject, however,
     to the provision that the coverage limits of such policies
     are adequate in amount to cover the replacement value of
     such property or assets and loss of profits during
     replacement, less commercially reasonable deductible, if of
     material significance to the assets or operations of SLT)
     but it shall promptly notify Gundle in writing thereof and
     proceed with the repair or restoration of such property or
     assets in such manner and to such extent as may be approved
     by Gundle, and upon the Effective Date all proceeds of
     insurance and claims of every kind arising as a result of
     any such damage or destruction shall remain the property of
     Surviving Corporation;
    
          4.3.6.  SLT Acquisition Proposals.  Not directly or
     indirectly: 
               4.3.6.1.  No Solicitation.  Authorize or permit 
         any of its respective agents to:  (i) solicit, initiate,
         encourage (including by way of furnishing information)
         or take any other action to facilitate, any inquiry or
         the making of any proposal which constitutes, or may

<PAGE>                           35

<PAGE>

         reasonably be expected to lead to, any acquisition or
         purchase of a substantial amount of assets of, or any
         equity interest in, SLT or any merger, consolidation,
         business combination, sale of substantially all assets,
         sale of securities, recapitalization, liquidation,
         dissolution or similar transaction involving SLT (other
         than the transactions contemplated by this Agreement) or
         any other material corporate transaction the
         consummation of which would or could reasonably be
         expected to impede, interfere with, prevent or
         materially delay the merger contemplated by this
         Agreement (collectively, "SLT Transaction Proposals") or
         agree to or endorse any SLT Transaction Proposal or (ii)
         propose, enter into or participate in any discussions or
         negotiations regarding any of the foregoing, or furnish
         to another person any information with respect to its
         business, properties or assets or any of the foregoing,
         or otherwise cooperate in any way with, or assist or
         participate in, facilitate or encourage, an effort or
         attempt by any other person to do or seek any of the
         foregoing, provided, however, that the foregoing clauses
         (i) and (ii) shall not prohibit SLT from (A) furnishing
         information pursuant to an appropriate confidentiality
         letter concerning SLT and its businesses, properties or
         assets to a third party who has made a Superior SLT
         Transaction Proposal (as defined below), (B) engaging in
         discussions or negotiations with such a third party who
         has made a Superior SLT Transaction Proposal or (C)
         following receipt of a Superior SLT Transaction
         Proposal, taking and disclosing to its shareholders a
         position with respect thereto or changing the
         recommendation by SLT's board of directors or the vote
         of SLT's shareholders in favor of this Agreement or the
         merger contemplated hereby, but in each case referred to
         in the foregoing clauses (A) through (C) only after the
         board of directors of SLT concludes in good faith
         following advice of its outside counsel that such action
         is reasonably necessary for the board of directors of
         SLT to comply with its fiduciary obligations to
         stockholders under applicable law.  If the board of
         directors of SLT receives an SLT Transaction Proposal,
         then SLT shall immediately inform Gundle of the terms
         and conditions of such proposal and the identity of the
         person making it and shall keep Gundle fully informed of
         the status and details of any such SLT Transaction
         Proposal and of all steps it is taking in response to
         such SLT Transaction Proposal; provided that nothing
         contained in this Paragraph 4.3.6.1 shall prohibit SLT
         or its board of directors from making such disclosure to
         SLT's stockholders which, in the good faith judgment of
         SLT's board of directors, may be required under

<PAGE>                           36

<PAGE>

         applicable law.  For purposes of this Agreement, the
         term "Superior SLT Transaction Proposal" shall mean a
         bona fide SLT Transaction Proposal that the board of
         directors of SLT determines in good faith after
         consultation with (and based in part on the advice of)
         its independent financial advisors to be more favorable
         to SLT's stockholders than the merger contemplated by
         this Agreement, is reasonably capable of being financed
         and is not subject to any material contingencies
         relating to financing. 
        
               4.3.6.2.  Acceptance of Superior SLT Transaction
         Proposals.  If (i) (A) this Agreement is terminated by
         SLT pursuant to Paragraph 6.1.7 hereof, (B) SLT shall
         violate the covenant set forth in Paragraph 4.3.6.1
         hereof, or (C) SLT modifies or withdraws its board of
         directors' recommendation or stockholders' vote in favor
         of the transactions contemplated by this Agreement or
         (ii) SLT enters into an agreement which provides for
         Another SLT Transaction (as defined below) or Another
         SLT Transaction is consummated (with any third party
         which before termination of this Agreement has
         communicated to it for the purpose of making an SLT
         Transaction Proposal), in either case within twelve
         months after the date of termination of this Agreement,
         then, in any such event, SLT shall pay to Gundle within
         two days after demand by Gundle in the case of the
         occurrence of any of the events specified in clause (i)
         above, and immediately upon the first to occur of the
         entering into an agreement providing for, or the
         consummation of, Another SLT Transaction in the case of
         clause (ii) above (by wire transfer of immediately
         available funds to an account designated by Gundle for
         such purpose), a Break-Up Fee (the "Break-Up Fee") in an
         amount equal to $3,000,000, plus transaction expenses,
         including legal fees.  SLT agrees that the Break-Up Fee
         is a reasonable determination, in light of the
         uncertainty and difficulty of ascertaining the exact
         amount thereof, of the loss that Gundle would actually
         sustain in respect of one of the events described in
         this Paragraph 4.3.6.2.  For purposes of this Paragraph
         4.3.6.2, the term "Another SLT Transaction" shall mean
         any transaction pursuant to which (i) any person, entity
         or group (within the meaning of Section 13(d)(3) of the
         Exchange Act) (each, a "Third Party") acquires 50% or
         more of the outstanding SLT Common Stock, (ii) a Third
         Party acquires 25% or more of the total assets of SLT
         taken as a whole, (iii) a Third Party merges,
         consolidates or combines in any other way with SLT other
         than in a transaction in which holders of SLT Common

<PAGE>                           37

<PAGE>

         Stock continue to own at least 75% of the equity of the
         surviving corporation, or (iv) SLT distributes or
         transfers to its stockholders, by dividend or otherwise,
         assets constituting 25% or more of the market value or
         earning power of SLT on a consolidated basis (it being
         understood that stock of subsidiaries constitute assets
         of SLT for purposes of this Paragraph 4.3.6.2). 
         Notwithstanding anything contained in this Agreement to
         the contrary, Gundle agrees that if Gundle terminates
         this Agreement because SLT has violated the covenant set
         forth in Paragraph 4.3.6.1 hereof and SLT pays the
         Break-Up Fee to Gundle in accordance with this Paragraph
         4.3.6.2 solely because SLT shall have violated the
         covenant set forth in Paragraph 4.3.6.1 hereof, then
         following such payment SLT shall have no further
         liability to Gundle under this Agreement.  Gundle
         further agrees that in all other circumstances where it
         has been paid the Break-Up Fee by SLT, such Break-Up Fee
         will be credited against any other damages for which SLT
         may be found liable to Gundle in connection with this
         Agreement.  SLT shall only be obligated to pay the
         Break-Up Fee once, notwithstanding that it may have more
         than one obligation to do so under this Paragraph
         4.3.6.2.
        
          4.3.7.  No Amendment to Certificate of Incorporation,
     etc.  Not amend its certificate of incorporation or bylaws
     or other organizational documents or merge or consolidate
     with or into any other corporation or change in any manner
     the rights of its capital stock or the character of its
     business;
    
          4.3.8.  No Issuance, Sale, or Purchase of Securities. 
     Not issue or sell, or issue options or rights to subscribe
     to, or enter into any contract or commitment to issue or
     sell (upon conversion or otherwise), any shares of its
     capital stock or subdivide or in any way reclassify any
     shares of its capital stock, or acquire, or agree to
     acquire, any shares of its capital stock;
    
          4.3.9.  Prohibition on Dividends.  Not declare or pay
     any dividend on shares of its capital stock or make any
     other distribution of assets to the holders thereof;

          4.3.10.  Supplemental Financial Statements.  Deliver to
     Gundle, within 45 days after the end of each fiscal quarter
     of SLT beginning March 31, 1995 and through the Effective
     Date, unaudited consolidated balance sheets and related
     unaudited statements of income, retained earnings and cash
     flows as of the end of each fiscal quarter of SLT, and as of


<PAGE>                           38

<PAGE>

     the corresponding fiscal quarter of the previous fiscal
     year.  SLT hereby represents and warrants that such
     unaudited consolidated financial statement shall (i) be
     complete in all material respects except for the omission of
     notes and schedules contained in audited financial
     statements, (ii) present fairly the financial condition of
     SLT as at the dates indicated and the results of operations
     for the respective periods indicated (iii) shall have been
     prepared in accordance with generally accepted accounting
     principles applied on a consistent basis, except as noted
     therein and (iv) shall contain all adjustments which SLT
     considers necessary for a fair presentation of its results
     for each respective fiscal period.  

     4.4  Additional Agreements of Gundle.  Gundle agrees that
from December 31, 1994 it has not, and from the date hereof to
the Effective Date, it will:

          4.4.1.  Prohibition of Certain Employment Contracts. 
     Not enter into any contracts of employment which (i) cannot
     be terminated on notice of 14 days or less or (ii) provide
     for any severance payments or benefits covering a period
     beyond the termination date (other than those to which SLT
     has previously been approved) except as may be required by
     law;
    
          4.4.2.  Prohibition of Certain Loans.  Except as
     contemplated by Paragraph 4.4.14, not incur any borrowings
     except (i) the refinancing of indebtedness now outstanding
     or additional borrowings under its existing revolving credit
     facilities, (ii) the prepayment by customers of amounts due
     or to become due for goods sold or services rendered or to
     be rendered in the future, (iii) trade payables incurred in
     the ordinary course of business, (iv) other borrowings
     incurred in the ordinary course of business to finance
     normal operations or (v) as is otherwise agreed to in
     writing by SLT;
    
          4.4.3.  Prohibition of Certain Commitments.  Not (a)
     enter into commitments of a capital expenditure nature or
     incur any contingent liability which would exceed $375,000,
     in the aggregate, except (i) as may be necessary for the
     maintenance of existing facilities, machinery and equipment
     in good operating condition and repair in the ordinary
     course of business, (ii) as may be required by law or 
     (iii) as is otherwise agreed to in writing by SLT or 
     (b) enter into any agreement with any affiliate of Gundle
     without SLT's written consent;
    
<PAGE>                           39

<PAGE>

          4.4.4.  Disposal of Assets.  Not sell, dispose of, or
     encumber, any property or assets, except (i) in the ordinary
     course of business or (ii) as is otherwise agreed to in
     writing by SLT;
    
          4.4.5.  Maintenance of Insurance.  Maintain insurance
     upon all its properties and with respect to the conduct of
     its business of such kinds and in such amounts as is
     customary in the type of business in which it is engaged,
     but not less than that presently carried by it, which
     insurance may be added to from time to time in its
     discretion; provided, that if during the period from the
     date hereof to and including the Effective Date any of its
     property or assets are damaged or destroyed by fire or other
     casualty, the obligations of Gundle and SLT under this
     Agreement shall not be affected thereby (subject, however,
     to the provision that the coverage limits of such policies
     are adequate in amount to cover the replacement value of
     such property or assets and loss of profits during
     replacement, less commercially reasonable deductible, if of
     material significance to the assets or operations of Gundle)
     but it shall promptly notify SLT in writing thereof and
     proceed with the repair or restoration of such property or
     assets in such manner and to such extent as may be approved
     by SLT, and upon the Effective Date all proceeds of
     insurance and claims of every kind arising as a result of
     any such damage or destruction shall remain the property of
     Surviving Corporation;
    
          4.4.6.  Acquisition Proposals.  Not directly or
     indirectly: 

               4.4.6.1  No Solicitation.  Authorize or permit any
          of its respective agents to:  (i) solicit, initiate,
          encourage (including by way of furnishing information)
          or take any other action to facilitate, any inquiry or
          the making of any proposal which constitutes, or may
          reasonably be expected to lead to, any acquisition or
          purchase of a substantial amount of assets of, or any
          equity interest in, Gundle or any tender offer
          (including a self tender offer) or exchange offer,
          merger, consolidation, business combination, sale of
          substantially all assets, sale of securities,
          recapitalization, liquidation, dissolution or similar
          transaction involving Gundle (other than the
          transactions contemplated by this Agreement) or any
          other material corporate transaction the consummation
          of which would or could reasonably be expected to
          impede, interfere with, prevent or materially delay the
          merger contemplated by this Agreement (collectively,
          "Gundle Transaction Proposals") or agree to or endorse

 <PAGE>                          40
<PAGE>
          any Gundle Transaction Proposal or (ii) propose, enter
          into or participate in any discussions or negotiations
          regarding any of the foregoing, or furnish to another
          person any information with respect to its business,
          properties or assets or any of the foregoing, or
          otherwise cooperate in any way with, or assist or
          participate in, facilitate or encourage, an effort or
          attempt by any other person to do or seek any of the
          foregoing, provided, however, that the foregoing
          clauses (i) and (ii) shall not prohibit Gundle from (A)
          furnishing information pursuant to an appropriate
          confidentiality letter concerning Gundle and its
          businesses, properties or assets to a third party who
          has made a Superior Gundle Transaction Proposal (as
          defined below), (B) engaging in discussions or
          negotiations with such a third party who has made a
          Superior Gundle Transaction Proposal or (C) following
          receipt of a Superior Gundle Transaction Proposal,
          taking and disclosing to its shareholders a position
          contemplated by Rule 14e-2(a) under the Exchange Act or
          changing the recommendation by Gundle's board of
          directors of this Agreement or the merger contemplated
          hereby, but in each case referred to in the foregoing
          clauses (A) through (C) only after the board of
          directors of Gundle concludes in good faith following
          advice of its outside counsel that such action is
          reasonably necessary for the board of directors of
          Gundle to comply with its fiduciary obligations to
          stockholders under applicable law.  If the board of
          directors of Gundle receives a Gundle Transaction
          Proposal, then Gundle shall immediately inform SLT of
          the terms and conditions of such proposal and the
          identity of the person making it and shall keep SLT
          fully informed of the status and details of any such
          Gundle Transaction Proposal and of all steps it is
          taking in response to such Gundle Transaction Proposal;
          provided that nothing contained in this Paragraph
          4.4.6.1 shall prohibit Gundle or its board of directors
          from disclosing to the Gundle stockholders a position
          with respect to a tender offer by a third party
          pursuant to Rule 14d-9 and 14e-2 promulgated under the
          Exchange Act or from making such disclosure to Gundle's
          stockholders which, in the good faith judgment of
          Gundle's board of directors may be required under
          applicable law.  For purposes of this Agreement, the
          term "Superior Gundle Transaction Proposal" shall mean
          a bona fide Gundle Transaction Proposal that the board
          of directors of Gundle determines in good faith after
          consultation with (and based in part on advice of) its
          independent financial advisors to be more favorable to
          Gundle's stockholders than the merger contemplated by

       <PAGE>                       41
<PAGE>
          this Agreement, is reasonably capable of being financed
          and is not subject to any material contingencies
          relating to financing. 

              4.4.6.2.  Acceptance of Superior Transaction
          Proposals.  If (i) (A) this Agreement is terminated by
          Gundle pursuant to Paragraph 6.1.4 hereof, (B) Gundle
          shall violate the covenant set forth in Paragraph
          4.4.6.1 hereof, or (C) Gundle modifies or withdraws its
          recommendation that the Gundle stockholders vote their
          Gundle Common Stock in favor of the transactions
          contemplated by this Agreement or (ii) Gundle enters
          into an agreement which provides for Another Gundle
          Transaction (as defined below) or Another Gundle
          Transaction is consummated (with any third party which
          before termination of this Agreement has communicated
          to it for the purpose of making a Gundle Transaction
          Proposal), in either case within twelve months after
          the date of termination of this Agreement, then, in any
          such event, Gundle shall pay to SLT within two days
          after demand by SLT in the case of the occurrence of
          any of the events specified in clause (i) above, and
          immediately upon the first to occur of the entering
          into an agreement providing for, or the consummation
          of, Another Gundle Transaction in the case of clause
          (ii) above (by wire transfer of immediately available
          funds to an account designated by SLT for such
          purpose), a Break-Up Fee in an amount equal to
          $3,000,000, plus transaction expenses, including legal
          fees.  Gundle agrees that the Break-Up Fee is a
          reasonable determination, in light of the uncertainty
          and difficulty of ascertaining the exact amount
          thereof, of the loss that SLT would actually sustain in
          respect of one of the events described in this
          Paragraph 4.4.6.2.  For purposes of this Paragraph
          4.4.6.2, the term "Another Gundle Transaction" shall
          mean any transaction pursuant to which (i) any Third
          Party acquires 50% or more of the outstanding Gundle
          Common Stock, (ii) a Third Party acquires 25% or more
          of the total assets of Gundle taken as a whole, (iii) a
          Third Party merges, consolidates or combines in any
          other way with Gundle other than in a transaction in
          which holders of Gundle Common Stock continue to own at
          least 75% of the equity of the surviving corporation,
          or (iv) Gundle distributes or transfers to its
          stockholders, by dividend or otherwise, assets
          constituting 25% or more of the market value or earning
          power of Gundle on a consolidated basis (it being
          understood that stock of subsidiaries constitute assets
          of Gundle for purposes of this Paragraph 4.4.6.2). 
          Notwithstanding anything contained in this Agreement to

<PAGE>                             42
<PAGE>
          the contrary, SLT agrees that if SLT terminates this
          Agreement because Gundle has violated the covenant set
          forth in Paragraph 4.4.6.1 hereof and Gundle pays the
          Break-Up Fee to SLT in accordance with this Paragraph
          4.4.6.2 solely because Gundle shall have violated the
          covenant set forth in Paragraph 4.4.6.1 hereof, then
          following such payment Gundle shall have no further
          liability to SLT under this Agreement.  SLT further
          agrees that in all other circumstances where it has
          been paid the Break-Up Fee by Gundle, such Break-Up Fee
          will be credited against any other damages for which
          Gundle may be found liable to SLT in connection with
          this Agreement.  Gundle shall only be obligated to pay
          the Break-Up Fee once, notwithstanding that it may have
          more than one obligation to do so under this Paragraph
          4.4.6.2.
         
          4.4.7.  No Amendment to Certificate of Incorporation,
     etc.  Except as otherwise provided herein, not amend its
     certificate of incorporation or bylaws or other
     organizational documents or merge into any other corporation
     or change in any manner the rights of its Common Stock;
     provided, that nothing in this Paragraph shall restrict or
     prohibit the issuance by Gundle of shares of Gundle Common
     Stock under presently outstanding obligations pursuant to
     existing employee benefit plans;

          4.4.8.  No Issuance, Sale, or Purchase of Securities. 
     Not issue or sell, or issue options or rights to subscribe
     to, or enter into any contract or commitment to issue or
     sell (upon conversion or otherwise), any shares of its
     capital stock or subdivide or in any way reclassify any
     shares of its capital stock, or acquire, or agree to
     acquire, any shares of its capital stock;
    
          4.4.9.  Prohibition on Dividends.  Not declare or pay
     any dividend on shares of its capital stock or make any
     other distribution of assets to the holders thereof;

          4.4.10.  Stockholders' Meeting.  Promptly call and hold
     a meeting of stockholders for the purpose of considering and
     acting upon proposals to (i) approve the merger contemplated
     by this Agreement, (ii) elect the board of directors set
     forth in Section 1.7.1., (iii) increase the authorized
     number of shares of its preferred stock from the present
     1,000 shares of preferred stock, no par value, to 1,000,000
     shares of preferred stock, par value $1 per share,
     undesignated as to series, (iv) increase the authorized
     number of shares of Gundle Common Stock to 30,000,000 shares
     from the present 15,000,000, and (v) change the name of the
     Surviving Corporation to Gundle/SLT Environmental, Inc.;

<PAGE>                            43
<PAGE>
          4.4.11.  Issuance of Gundle Common Stock.  Gundle shall
     take all action it deems reasonably necessary to insure that
     the issuance of Gundle Common Stock to the shareholders of
     SLT in connection with the merger contemplated by this
     Agreement should be made pursuant to an exemption from
     registration under the Securities Act of 1933, as amended. 
     Gundle also shall take any action reasonably required to be
     taken under state blue sky or securities laws in connection
     with the issuance of the Gundle Common Stock pursuant to the
     merger;

          4.4.12.  Listing of Gundle Stock.  Take such steps as
     are required to accomplish, as of the Effective Date, the
     listing on the American Stock Exchange of the shares of
     Gundle Common Stock to be issued pursuant to this Agreement;
    
          4.4.13.  Notice of Material Developments.  Promptly
     furnish to SLT copies of all communications from Gundle to
     its stockholders and all reports filed by it with the
     Commission and the American Stock Exchange, and relating to
     periodic or other material developments concerning Gundle's
     financial condition, business, or affairs; and
    
          4.4.14.  Refinancing of Outstanding Indebtedness.  Use
     all reasonable commercial efforts to arrange for the payment
     or assumption by it of all outstanding debt of SLT on the
     Effective Date on such terms as are reasonably satisfactory
     to Gundle, including (i) the borrowing by Gundle of up to an
     additional $35,000,000 to fund any such repayment and
     (ii) the amendment or refunding of its present long-term and
     revolving indebtedness, in either such case on terms
     acceptable to it in its sole discretion; provided that any
     such assumption or refinancing shall provide for the
     release, as of the Effective Date, of any outstanding
     guaranties or other forms of credit support presently
     provided to SLT by its stockholders, except for letters of
     credit aggregating not more than $4,000,000 guaranteed by
     such stockholders, which shall remain outstanding until the
     maturity of the bonds secured by such letters of credit or
     December 31, 1995, whichever is first to occur (the
     "Refinancing").  Gundle shall permit members of SLT's senior
     management to participate in the negotiation of the terms
     and conditions of the Refinancing, provided, however, that
     Gundle shall not be obligated to consummate the Refinancing
     on terms other than those it believes to be in the best
     interests of Gundle and its shareholders. 

<PAGE>                            44
<PAGE>
                          ARTICLE V

              CONDITIONS PRECEDENT TO OBLIGATIONS

     5.1.  Conditions Precedent to Obligations of SLT.  The
obligations of SLT to consummate and effect the merger hereunder
shall be subject to the satisfaction of the following conditions,
or to the waiver thereof by SLT in the manner contemplated by
Section 6.4 before the Effective Date or closing date:

          5.1.1  Representations and Warranties of Gundle True at
     Effective Date.  The representations and warranties of
     Gundle herein contained shall be, in all material respects,
     true as of and at the Effective Date with the same effect as
     though made at such date, except as affected by transactions
     permitted or contemplated by this Agreement; Gundle shall
     have performed and complied with all covenants required by
     this Agreement to be performed or complied, in all material
     respects, with by Gundle before the Effective Date; and
     Gundle shall have delivered to SLT a certificate, dated the
     Effective Date and signed by its chairman of the board or
     its president, and by its chief financial or accounting
     officer, and its secretary, to both such effects.  
    
          5.1.2.  No Material Litigation.  No suit, action, or
     other proceeding shall be pending, or to Gundle's knowledge,
     threatened, before any court or governmental agency in which
     it will be, or it is, sought to restrain or prohibit or to
     obtain damages or other relief in connection with this
     Agreement or the consummation of the merger contemplated
     hereby or which might result in a material adverse change in
     the value of the consolidated assets and business of Gundle.
    
          5.1.3.  Opinion of Gundle Counsel.  SLT shall have
     received a favorable opinion, dated as of the Effective
     Date, from Porter & Hedges, L.L.P., counsel for Gundle, in
     form and substance satisfactory to SLT, to the effect that
     (i) Gundle has been duly incorporated and is validly
     existing as a corporation in good standing under the laws of
     the State of Delaware; (ii) all corporate proceedings
     required to be taken by or on the part of Gundle to
     authorize the execution of this Agreement and the
     Registration Rights Agreement in the form of Appendix III
     hereto (the "Registration Rights Agreement") and the
     implementation of the merger contemplated hereby have been
     taken; (iii) the shares of Gundle Common Stock which are to
     be delivered in accordance with this Agreement will, when
     issued, be validly issued, fully paid and nonassessable
     outstanding securities of Gundle; (iv) this Agreement and
     the Registration Rights Agreement have been duly executed

<PAGE>                            45
<PAGE>
     and delivered by, and are the legal, valid and binding
     obligations of Gundle and are enforceable against Gundle in
     accordance with their respective terms, except as
     enforceability may be limited by (a) equitable principles of
     general applicability or (b) bankruptcy, insolvency,
     reorganization, fraudulent conveyance or similar laws
     affecting the rights of creditors generally and except that
     no opinion need be expressed as to the enforceability of any
     indemnification provisions of this Agreement or of the
     Registration Rights Agreement; and (v) except as specified
     by such counsel (such exceptions to be acceptable to SLT)
     such counsel does not know of any material litigation,
     proceedings, or governmental investigation pending or
     threatened against or relating to Gundle, any of its
     subsidiaries, or their respective properties or businesses
     in which it is sought to restrain, prohibit or otherwise
     affect the consummation of the transactions contemplated by
     this Agreement or the Registration Rights Agreement.  Such
     opinion also shall cover such other matters incident to the
     transactions herein contemplated as SLT and its counsel may
     reasonably request.  In rendering such opinion, such counsel
     may rely upon (i) certificates of public officials and of
     officers of Gundle as to matters of fact and (ii) the
     opinion or opinions of other counsel, which opinions shall
     be reasonably satisfactory to SLT, as to matters other than
     federal or Texas law. 
    
          5.1.4.  Stockholder Approval.  The approval of a
     majority of the stockholders of SLT of the merger
     contemplated by this Agreement on or before the date of this
     Agreement, and such approval shall not have been amended,
     modified or rescinded on or before the Effective Date. 
    
          5.1.5.  Hart-Scott-Rodino, etc.  All waiting periods
     required by HSR shall have expired with respect to the
     transactions contemplated by this Agreement, or early
     termination with respect thereto shall have been obtained
     without the imposition of any governmental request or order
     requiring the sale or disposition or holding separate
     (through a trust or otherwise) of particular assets or
     businesses of Gundle, its affiliates or any component of SLT
     or other actions as a precondition to the expiration of any
     waiting period or the receipt of any necessary governmental
     approval or consent.  In addition, any approvals required
     under any state or foreign laws comparable to HSR shall have
     been obtained.
    
          5.1.6.  Listing of Gundle Common Stock.  The American
     Stock Exchange shall have agreed that on the Effective Date
     it will list the shares of Gundle Common Stock issuable at
     the Effective Date of this Agreement.

<PAGE>                            46
<PAGE>
          5.1.7.  Consent of Certain Parties in Privity With
     Gundle.  The holders of any material indebtedness of Gundle,
     the lessors of any material property leased by Gundle, and
     the other parties to any other material agreements to which
     Gundle is a party shall, when and to the extent necessary in
     the reasonable opinion of SLT, have consented to the merger
     contemplated hereby. 
    
          5.1.8.  Registration Rights Agreement.  Gundle shall
     have executed and delivered to SLT the Registration Rights
     Agreement.  

          5.1.9.  Ancillary Matters.  Gundle shall have concluded
     the Refinancing, subject only to consummation of the merger
     contemplated by this Agreement.

     5.2.  Conditions Precedent to Obligations of Gundle.  The
obligations of Gundle to consummate and effect the merger
hereunder shall be subject to the satisfaction of the following
conditions, or to the waiver thereof by Gundle in the manner
contemplated by Section 6.4 before the Effective Date or closing
date.

          5.2.1  Representations and Warranties of SLT True at
     Effective Date.  The representations and warranties of SLT
     herein contained shall be, in all material respects, true as
     of and at the Effective Date with the same effect as though
     made at such date, except as affected by transactions
     permitted or contemplated by this Agreement; SLT shall have
     performed and complied with all covenants required by this
     Agreement to be performed or complied with, in all material
     respects, by it before the Effective Date; and SLT shall
     have delivered to Gundle a certificate, dated the Effective
     Date and signed by its chairman of the board or its
     president, and by its chief financial or accounting officer,
     and by its secretary to both such effects.  
    
          5.2.2.  No Material Litigation.  No suit, action, or
     other proceeding shall be pending, or to SLT's knowledge,
     threatened, before any court or governmental agency in which
     it will be, or it is, sought to restrain or prohibit or to
     obtain damages or other relief in connection with this
     Agreement or the consummation of the merger contemplated
     hereby or which might result in a material adverse change in
     the value of the assets and business of SLT.
    
          5.2.3.  Opinion of SLT's Counsel.  Gundle shall have
     received a favorable opinion, dated the Effective Date, from
     Kramer, Levin, Naftalis, Nessen, Kamin & Frankel, counsel to
     SLT, in form and substance satisfactory to Gundle, to the
     effect that (i) SLT has been duly incorporated and is

<PAGE>                            47
<PAGE>
     validly existing as a corporation in good standing under the
     laws of the State of Delaware; (ii) all outstanding shares
     of the SLT Common Stock have been validly issued and are
     fully paid and nonassessable; (iii) all corporate or other
     proceedings required to be taken by or on the part of SLT to
     authorize the execution of this Agreement and the
     implementation of the merger contemplated hereby have been
     taken; (iv) this Agreement has been duly executed and
     delivered by, and is the legal, valid and binding obligation
     of SLT and is enforceable against SLT in accordance with its
     terms, except as the enforceability may be limited by (a)
     equitable principles of general applicability or (b)
     bankruptcy, insolvency, reorganization, fraudulent
     conveyance or similar laws affecting the rights of creditors
     generally and except that no opinion need be expressed as to
     the enforceability of any indemnification provisions of this
     Agreement; and (v) except as specified by such counsel (such
     exceptions to be acceptable to Gundle) such counsel does not
     know of any material litigation, proceedings or governmental
     investigation, pending or threatened against or relating to
     SLT or its properties or businesses in which it is sought to
     restrain, prohibit or otherwise affect consummation of the
     transactions contemplated by this Agreement.  Such opinion
     shall also cover such other matters incident to the
     transactions herein contemplated as Gundle and its counsel
     may reasonably request.  In rendering such opinion, such
     counsel may rely upon (i) certificates of public officials
     and of officers of SLT as to matters of fact and (ii) on the
     opinion or opinions of other counsel, which opinions shall
     be reasonably satisfactory to Gundle, as to matters other
     than federal or New York law.  
    
          5.2.4.  Stockholder Approval.  At the meeting of
     stockholders of Gundle to be held before the Effective Date,
     the holders of the requisite majority of the outstanding
     shares of Gundle Common Stock shall have approved the merger
     contemplated by this Agreement. 
    
          5.2.5.  Hart-Scott-Rodino, etc.  All waiting periods
     required by HSR shall have expired with respect to the
     transactions contemplated by this Agreement, or early
     termination with respect thereto shall have been obtained
     without the imposition of any governmental request or order
     requiring the sale or disposition or holding separate
     (through a trust or otherwise) of particular assets or
     businesses of Gundle, its affiliates or any component of SLT
     or other actions as a precondition to the expiration of any
     waiting period or the receipt of any necessary governmental
     approval or consent.  In addition, any approvals required
     under any state or foreign laws comparable to HSR shall have
     been obtained.
    
<PAGE>                            48
<PAGE>
          5.2.6.  Consent of Certain Parties in Privity with SLT.
     The holders of any material indebtedness of SLT, the lessors
     of any material property leased by SLT, and the other
     parties to any other material agreements to which SLT is a
     party shall, when and to the extent necessary in the
     reasonable opinion of Gundle, have consented to the merger
     contemplated hereby.
    
          5.2.7.  Employment Agreement With William P. Reid.  On
     or before the date of execution of this Agreement, William
     P. Reid will have executed an employment agreement in form
     and substance satisfactory to Gundle, such agreement to take
     effect on the Effective Date, and to be in full force and
     effect on the Effective Date.
    
          5.2.8.  Insurance.  Gundle shall have purchased
     directors and officers liability insurance containing
     coverage at least equal to that currently maintained by
     Gundle with respect to matters occurring before the
     Effective Date, and insuring all persons for a period of at
     least six years following the Effective Date who were
     directors or officers of Gundle before the Effective Date,
     but who cease to be directors or officers of Gundle after
     the Effective Date (the "Retiring Directors and Officers"). 
     The Retiring Directors and Officers shall be third party
     beneficiaries to such insurance policy. 
    
          5.2.9.  Ancillary Matters.  Gundle shall have concluded
     the Refinancing, subject only to consummation of the merger
     contemplated by this Agreement, and it shall have received a
     favorable opinion from Smith Barney for inclusion in the
     Proxy Statement as to the fairness, from a financial point
     of view, to Gundle of the consideration to be paid by Gundle
     in the merger, which opinion shall not have been withdrawn
     at the Effective Date.


                         ARTICLE VI

                 TERMINATION AND ABANDONMENT

     6.1.  Termination.  Anything contained in this Agreement to
the contrary notwithstanding, this Agreement may be terminated
and the merger contemplated hereby abandoned at any time (whether
before or after the approval and adoption thereof by the
stockholders of SLT or Gundle) before the Effective Date:

          6.1.1.  By Mutual Consent.  By mutual consent of Gundle
     and SLT.

<PAGE>                            49
<PAGE>
          6.1.2.  By Gundle Because of Dissenting Stockholders. 
     By Gundle, if the holders of any shares of SLT Common Stock
     elect to exercise the right to dissent under applicable
     provisions of Delaware law in connection with the merger
     contemplated by this Agreement.

          6.1.3.  By Gundle Because of Conditions Precedent.  By
     Gundle, if any condition set forth in Paragraph 5.2 hereof
     has not been met and has not been waived.
    
          6.1.4.  By Gundle Due to a Superior Gundle Transaction
     Proposal.  By Gundle if, before the Effective Date, Gundle's
     board of directors shall have withdrawn or modified in a
     manner adverse to SLT its approval or recommendation of this
     Agreement or the merger contemplated hereby under the terms,
     conditions and procedures set forth in Paragraph 4.4.6.2.  
    
          6.1.5.  By Gundle Because of Material Adverse Change. 
     By Gundle, if there has been a material adverse change in
     the financial condition or business of SLT since the date of
     the most recent financial statements referred to in
     Paragraph 2.1.5.  
    
          6.1.6.  By SLT Because of Conditions Precedent.  By
     SLT, if any condition set forth in Paragraph 5.1 hereof has
     not been met and has not been waived.
    
          6.1.7.  By SLT Due to a Superior SLT Transaction
     Proposal.  By SLT if, before the Effective Date, SLT's
     stockholders or board of directors shall have withdrawn or
     modified in a manner adverse to Gundle their approval of
     this Agreement or the merger contemplated hereby under the
     terms, conditions and procedures set forth in Paragraph
     4.3.6.2. 
    
          6.1.8.  By SLT Because of Material Adverse Change.  By
     SLT, if there has been a material adverse change in the
     financial condition or business of Gundle since the date of
     the financial statements contained in the most recent Report
     referred to in Paragraph 3.1.5 filed with the Commission
     under the Exchange Act.   
    
          6.1.9.  By Gundle or SLT Because of Legal Proceedings. 
     By either Gundle or SLT if any suit, action, or other
     proceeding shall be pending or threatened by the federal or
     a state government before any court or governmental agency,
     in which it is sought to restrain, prohibit, or otherwise
     affect the consummation of the merger contemplated hereby.
    
          6.1.10.  By Gundle or SLT if Merger not Effective by
     July 31, 1995.  By either Gundle or SLT, if the merger shall
     not have become effective on or before July 31, 1995. 

<PAGE>                            50
<PAGE>
     6.2.  Termination by Board of Directors.  An election of
Gundle to terminate this Agreement and abandon the merger as
provided in Paragraph 6.1 shall be exercised on behalf of Gundle
by its board of directors.  An election of SLT to terminate this
Agreement and abandon the merger as provided in Paragraph 6.1
shall be exercised on behalf of SLT by its board of directors.

     6.3.  Effect of Termination.  In the event of the
termination and abandonment of this Agreement pursuant to and in
accordance with the provisions of Paragraph 6.1 hereof, this
Agreement shall become void and have no effect, without any
liability on the part of any party hereto (or its stockholders or
controlling persons or directors or officers), except as
otherwise provided in this Agreement; provided, however, that no
party hereto shall waive any term or condition hereof, unless in
the judgment of the board of directors taking the action, such
waiver will not have a materially adverse effect on the benefits
intended under this Agreement to the stockholders of its
corporation.

     6.4.  Waiver of Conditions.  Subject to the requirements of
any applicable law, any of the terms or conditions of this
Agreement may be waived at any time by the party which is
entitled to the benefit thereof, by action taken by its board of
directors, the executive committee of its board of directors, or
its chief executive officer.

     6.5.  Expense on Termination.  If the merger contemplated
hereby is abandoned pursuant to and in accordance with the
provisions of Paragraph 6.1 hereof, all expenses will be paid by
the party incurring them, provided, however, that if either
Gundle or SLT abandons this Agreement due to the failure of the
other party to obtain the requisite approval of a majority of its
stockholders, then the party that failed to obtain such
shareholder approval shall pay all of the other party's
reasonable costs and expenses, including legal fees and expenses,
incurred in connection with the negotiation and implementation of
this Agreement.  


                         ARTICLE VII

                     ADDITIONAL AGREEMENTS

     7.1.  Indemnification by SLT as to Proxy Statement.  SLT
agrees to indemnify and hold harmless Gundle and its officers and
directors and each person who controls Gundle within the meaning
of Section 15 of the Securities Act of 1933, as amended (the
"Securities Act") or Section 20 of the Exchange Act against any
and all losses, claims, damages, or liabilities, joint or
several, to which any of them may become subject under the

<PAGE>                            51
<PAGE>
Securities Act, the Exchange Act or any other statute or common
law, and to reimburse them for any legal or other expenses
incurred by them in connection with investigating any claims and
defending any actions, to the extent such losses, claims,
damages, liabilities, or actions arise out of or are based upon
(i) any false, misleading or untrue statement or alleged false,
misleading or untrue statement of a material fact, insofar as it
relates to SLT, contained in the Proxy Statement in the form
mailed to the stockholders of Gundle, or (ii) the omission or
alleged omission to state in the Proxy Statement a material fact
required to be stated therein or necessary to make the statements
therein not misleading, and insofar as the same relates to SLT.


     7.2.  Indemnification by Gundle as to Proxy Statement.
Gundle agrees to indemnify and hold harmless SLT and its officers
and directors and each person who controls SLT within the meaning
of Section 15 of the Securities Act or Section 20 of the Exchange
Act against any and all losses, claims, damages, or liabilities,
joint or several, to which any of them may become subject under
the Securities Act, the Exchange Act or any other statute or
common law, and to reimburse them for any legal or other expenses
incurred by them in connection with investigating any claims and
defending any actions, to the extent such losses, claims,
damages, liabilities, or actions arise out of or are based upon
(i) any false, misleading or untrue statement or alleged false,
misleading or untrue statement of a material fact, insofar as it
relates to Gundle contained in the Proxy Statement in the form
mailed to the stockholders of Gundle or (ii) the omission or
alleged omission to state in the Proxy Statement a material fact
required to be stated therein or necessary to make the statements
therein not misleading, and insofar as the same relates to
Gundle.

     7.3.  Undertaking to File Reports and Cooperate in Rule 144
and Rule 145 Transactions.  For as long as any stockholders of
SLT who are subject to Rule 144 or Rule 145 of the Securities Act
continue to hold the shares of Gundle Common Stock issued
pursuant to the terms hereof, Gundle will use reasonable
commercial efforts to timely file all annual, quarterly and other
reports required to be filed by it under Section 13 or 15(d) of
the Exchange Act and the rules and regulations of the Commission
thereunder, as amended from time to time.  If any such
stockholder proposes to sell any Gundle Common Stock pursuant to
Rule 144 and 145, Gundle shall cooperate with such stockholders
so as to enable such sales to be made in accordance with
applicable laws, rules and regulations, the requirements of
Gundle's transfer agent, and the reasonable requirements of the
broker through which the sales are proposed to be executed. 
Without limiting the generality of the foregoing, Gundle shall,
upon request, furnish with respect to each such sale (i) a

<PAGE>                            52
<PAGE>
written statement certifying that Gundle has complied with the
public information requirements of Rule 144 and 145 and (ii) an
opinion of Gundle's counsel regarding such matters as Gundle's
transfer agent or such stockholder's broker may reasonably desire
to confirm.

     7.4.  Gundle Investment Suitability and Related Matters. 
Gundle acknowledges that (i) through its own operations, it is
knowledgeable in operations of the type conducted by SLT,
(ii) SLT has made available to Gundle extensive legal, financial,
accounting and other business records for examination by Gundle,
(iii) SLT has made its principal executive and operating
personnel available for consultation with the designated
representatives of Gundle, (iv) through its employees, counsel
and other representatives, Gundle has made an extensive
investigation of SLT's assets and liabilities, business and
financial affairs, and operations, (v) it is aware of the risks
associated with ownership of SLT, (vi) it is capable of bearing
the financial risks associated with such ownership, and
(vii) while recognizing that it cannot efficaciously waive the
protections afforded to it under the Securities Act, Gundle
regards itself as an entity of such financial capacity,
sophistication, and prudence that it does not require the
protections afforded to it by the Securities Act, and is relying
upon its own investigation of SLT in making its decision to
"purchase" SLT.

                             ARTICLE VIII

                             MISCELLANEOUS

     8.1.  Entirety.  This Agreement and embodies the entire
agreement between the parties with respect to the subject matter
hereof, and all prior agreements between the parties with respect
thereto are hereby superseded in their entirety.

     8.2.  Counterparts.  Any number of counterparts of this
Agreement may be executed and each such counterpart shall be
deemed to be an original instrument, but all such counterparts
together shall constitute but one instrument.

     8.3.  Notices and Waivers.  Any notice or waiver to be given
to any party hereto shall be in writing and shall be delivered by
courier, sent by facsimile transmission or first class registered
or certified mail, postage prepaid.

<PAGE>                            53
<PAGE>
                        If to Gundle


Addressed to:                        With a copy to:

Gundle Environmental Systems,      Porter & Hedges, L.L.P.
Inc.                               700 Louisiana, 35th Floor
19103 Gundle Road                  Houston, Texas 77210-4744
Houston, Texas 77073               Attention:  T. William Porter
Attention:  Thomas L. Caltrider    Facsimile:  (713) 228-1331
Facsimile:  (713) 230-2504

                          If to SLT

Addressed to:                             With a copy to:

SLT Environmental, Inc.             Kramer, Levin, Naftalis,
200 South Trade Center Parkway        Nessen, Kamin & Frankel
Conroe, Texas 77385                 919 Third Avenue, 40th Floor
Attention:  William P. Reid         New York, New York 10022
Facsimile:  (409) 273-3808          Attention:  Ezra G. Levin
                                    Facsimile:  (212) 715-8000

     Any communication so addressed and mailed by first-class
registered or certified mail, postage prepaid, shall be deemed to
be received on the third business day after so mailed, and if
delivered by courier or facsimile to such address, upon delivery
during normal business hours on any business day.

    8.4.  Termination of Representations, Warranties, etc.  The
respective representations and warranties contained in Articles
II and III shall expire with, and be terminated and extinguished
by, the merger pursuant to this Agreement at the time of the
consummation thereof on the Effective Date.  This Paragraph 8.4
shall have no effect upon any other right or obligation of the
parties in connection with this Agreement or otherwise, whether
to be exercised or performed before or after the Effective Date.

     8.5.  Table of Contents and Captions.  The table of contents
and captions contained in this Agreement are solely for
convenient reference and shall not be deemed to affect the
meaning or interpretation of any article, section, or paragraph
hereof.

     8.6  Successors and Assigns.  This Agreement shall be
binding upon and shall inure to the benefit of and be enforceable
by the successors and assigns of the parties hereto.

<PAGE>                            54
<PAGE>
     8.7.  Severability.  If any term, provision, covenant or
restriction of this Agreement is held by a court of competent
jurisdiction to be invalid, void, or unenforceable, the remainder
of the terms, provisions, covenants and restrictions shall remain
in full force and effect and shall in no way be affected,
impaired or invalidated.  It is hereby stipulated and declared to
be the intention of the parties that they would have executed the
remaining terms, provisions, covenants and restrictions without
including any of such which may be hereafter declared invalid,
void or unenforceable.

     8.8.  Applicable Law.  This Agreement shall be governed by
and construed and enforced in accordance with the laws of the
State of Texas (except to the extent that the form and content of
the Certificate of Merger and the consequences of the filing
thereof shall be governed by the general corporation law of the
State of Delaware).

     8.9.  Public Announcements.  The parties agree that before
the Effective Date that they shall consult with each other before
the making of any public announcement regarding the existence of
this Agreement, the contents hereof or the transactions
contemplated hereby, and to obtain the prior approval of the
other party as to the content of such announcement, which
approval shall not be unreasonably withheld.  However, the
foregoing shall not apply to any announcement or written
statement which, upon the written advice of counsel, is required
by law to be made, except that the party required to make such
announcement shall, whenever practicable, consult with and
solicit prior approval from such other party concerning the
timing and content of such legally required announcement or
statement before it is made.

     8.10.  Definitions.  The following terms are defined in the
paragraphs indicated:


          Term                               Section

          Another Gundle Transaction         4.4.6.7
          Another SLT Transaction            4.3.6.2
          Applicable Environmental Laws      2.1.14.3
          Benefit Plans                      2.1.17
          Break-Up Fee                       4.3.6.2; 4.4.6.2
          Code                               1.4.2 
          Commission                         3.1.5
          Effective Date                     1.3  
          Employee Plans                     2.1.7.8 
          Encumbrance                        2.1.4
          Environmental Laws                 2.1.14
          ERISA                              2.1.17
          Exchange Act                       3.1.5

<PAGE>                            55
<PAGE>
          Existing Gundle Directors          7.4.6
          Gundle Common Stock                3.1.3
          Gundle Restricted Shares           7.4.2
          Gundle Shares                      1.9.2 
          Gundle Transaction Proposal        4.4.6.1
          HSR                                2.1.18
          Intellectual Property              2.1.11
          Investment Company Act             2.1.22
          Material adverse change            4.2.3
          Merger Consideration               1.9.2
          Merging Corporations               1.1
          OSHA                               2.1.15
          PBGC                               2.1.17.2
          PCB                                2.1.14
          Proxy Statement                    2.1.20 
          Refinancing                        4.4.14
          Registration Rights Agreement      5.1.3
          Reports                            3.1.5 
          Restated Certificate of            1.4.1
            Incorporation
          SLT Common Stock                   2.1.3
          SLT Transaction Proposal           4.3.6.1
          Securities Act                     7.1
          Statutory Plan                     2.4.17.2
          Superior Gundle Transaction 
            Proposal                         4.4.6.1
          Superior SLT Transaction Proposal  4.3.6.1
          Third Party                        4.2.6.2; 4.3.6.2
          Transaction Proposal               4.4.6.1

     8.11.  Accounting Treatment.  The parties hereto intend that
the merger contemplated by this Agreement be accounted for by
Gundle, the Surviving Corporation, using the pooling of interests
method of accounting. 






<PAGE>                            56
<PAGE>
          IN WITNESS WHEREOF, the parties hereto have caused this
Agreement to be signed in their respective corporate names by
their respective duly authorized representatives, all as of the
day and year first above written.


      The Parties to the Merger Contemplated by this Agreement:

                               SLT ENVIRONMENTAL, INC.


                               By:_____________________________
                                  William P. Reid, President



                               GUNDLE ENVIRONMENTAL SYSTEMS, INC.


                               By:______________________________
                                  Thomas L. Caltrider, President









<PAGE>                        57

                                                    EXHIBIT B

                  REGISTRATION RIGHTS AGREEMENT

     THIS REGISTRATION RIGHTS AGREEMENT ("Agreement") dated
as of the 27th day of July, 1995, is by and among Gundle
Environmental Systems, a Delaware corporation (the "Company"),
and each of the holders of common stock, par value $.01 per
share, of the Company, listed on Schedule A attached hereto (the
"Stockholders").

                      W I T N E S S E T H:

     WHEREAS, the Stockholders are owners of issued and
outstanding shares of Common Stock of the Company, which shares,
as of the date hereof, are owned in the respective amounts set
forth on Schedule A hereto; and

     WHEREAS, Odyssey (defined below) previously was granted
registration rights in exchange for good and valuable
consideration, the sufficiency of which is hereby acknowledged,
which registration rights are being memorialized in this written
Agreement; and 

     WHEREAS, Wembley (defined below) was the former sole
stockholder of SLT Environmental, Inc. ("SLT"); and 

     WHEREAS, Wembley was issued the number of shares of
Common Stock set forth opposite its name on Schedule A hereto
pursuant to the Plan and Agreement of Merger of Gundle
Environmental Systems, Inc. and SLT Environmental, Inc., dated as
of March __, 1995 (the "Merger Agreement"), pursuant to which SLT
was merged with and into the Company; and 

     WHEREAS, the execution and delivery of this Agreement
by parties hereto is a condition precedent to the closing of the
merger contemplated by the Merger Agreement. 

     NOW, THEREFORE, in consideration of the mutual
agreements and promises herein contained and other good and
valuable consideration, the sufficiency of which is hereby
acknowledged, the Stockholders and the Company, each with the
other, do hereby agree as follows:

<PAGE>                        58


<PAGE>
                                 ARTICLE I

                                DEFINITIONS

     As used in this Agreement, the following terms shall have
the following respective meanings:

     "Common Stock" means the Common Stock, par value $.01
per share, of the Company.

     "Commission" means the Securities and Exchange
 Commission or any other federal agency at the time administering
the Securities Act.

     "Demand Notice" means a notice by a Stockholder
pursuant to Section 2.1 demanding that the Company register all
or a portion of such Stockholder's Registrable Securities in
either an Underwritten Public Offering or a Shelf Registration.

     "Demand Registration" means a registration that is an
Underwritten Public Offering or Shelf Registration which the
Company is required to effect on behalf of a Stockholder pursuant
to Section 2.1.  

     "Demanding Stockholder" means a Stockholder demanding
registration pursuant to Section 2.1.  

     "Exchange Act" means the Securities Exchange Act of
1934, as amended, or any similar Federal statute and the rules
and regulations of the Commission thereunder, all as the same
shall be in effect at the time. 

     "Notice of Registration" means a notice by the Company
to the Stockholders that the Company has either determined to
conduct a Primary Offering or that Company has received a Demand
Notice from a Stockholder. 

     "Odyssey"  means Odyssey Partners, L.P., a Delaware
limited partnership. 

     "Person" means any natural person or any corporation,
partnership, trust or other legal entity.

     "Piggyback Registration" means a registration of shares
of Registrable Securities owned by a Stockholder who is
participating in a Primary Offering or Demand Registration under
the terms and conditions set forth in Section 2.2.

     "Primary Offering" means an Underwritten Public
Offering pursuant to which the Company receives net proceeds of
at least $5,000,000 in cash.

<PAGE>                        59
<PAGE>
     "Registrable Securities" means the shares of Common
Stock set forth opposite the name of each Stockholder on Schedule
A hereto.

     "The terms "register," "registered," and "registration"
refer to a registration effected by preparing and filing a
registration statement in compliance with the Securities Act, and
the declaration or ordering by the Commission of the
effectiveness of such registration statement under the Securities
Act.

     "Securities Act" means the Securities Act of 1933, as
amended, or any similar federal statute and the rules and
regulations of the Commission thereunder, all as the same shall
be in effect at the time.

     "Shelf Registration" means a registration meeting the
requirements of Rule 415 under the Securities Act or any similar
rule in effect under the Securities Act.

     "Stockholder" means each holder of shares of Common
Stock listed on Schedule A.

     "Underwritten Public Offering" means a public offering
(including a Shelf Registration) of Common Stock for cash which
is offered and sold in a registered transaction on a firm
commitment underwritten basis through one or more underwriters,
all pursuant to an underwriting agreement between the Company or
a Stockholder and such underwriters.

     "Wembley" means Wembley, Ltd., a British Virgin Islands
company. 


                         ARTICLE II

                     REGISTRATION RIGHTS

     2.1  Demand Registration Rights.  Subject to Section 2.1.1,
(a) beginning on the date hereof, upon receipt by the Company of
a Demand Notice from Odyssey requesting registration of all or
part of the Registrable Securities owned by Odyssey and
(b) beginning on the first anniversary of the date hereof, upon
receipt by the Company of a Demand Notice from Wembley requesting
registration of all or part of the registerable securities owned
by Wembley, the Company agrees to use its best efforts to effect,
as soon as practicable, all registrations, qualifications and
compliances (including, without limitation, the execution of an
undertaking to file post-effective amendments, appropriate
qualifications under the applicable blue sky or other state
securities laws and appropriate compliance with exemptive

<PAGE>                             60
<PAGE>
regulations issued under the Securities Act and any other
governmental requirements or regulations) as may be so requested
and as would permit or facilitate the sale and distribution of
all or such portion of the Registrable Securities owned by the
Stockholder giving such Demand Notice as is specified in such
Demand Notice; provided that the Company shall not be obligated
to take any action to effect any such registration, qualification
or compliance pursuant to this Section 2.1 in any jurisdiction in
which the Company would be required to execute a general consent
to service of process or to register as a dealer or to cause any
officer or employee of the Company to register as a salesman in
effecting such registration, qualification or compliance.  The
Company shall use its best efforts to prepare and file a
registration statement covering the Registrable Securities so
requested to be registered pursuant to this Section 2.1 within 45
days after such request is received.

          2.1.1   Limitations on Demands.  Odyssey may make one
     request for a Demand Registration and Wembley may make up to
     three requests for Demand Registration under this Agreement.
     Odyssey may make its request for a Demand Registration
     requesting the registration of all or any portion of its
     Registrable Securities at any time after the date hereof
     through the seventh anniversary of the date hereof under the
     procedures set forth in Section 2.1.  Wembley may make its
     requests for Demand Registrations at any time after the
     first anniversary of the date hereof through the seventh
     anniversary of the date hereof, in each case, under the
     procedures set forth in Section 2.1.  From the first
     anniversary of the date hereof until the second anniversary
     hereof, Wembley's demand Registration Rights shall be
     limited to up to 1,400,000 shares of its Registrable
     Securities.  At any time after the second anniversary of the
     date of this Agreement, Wembley may make a request for a
     Demand Registration with respect to up to 3.5 million shares
     of its Registrable Securities, or for such greater number of
     its Registrable Securities as the board of directors of the
     Company may authorize by action of a majority of the entire
     board.  If all of the Registrable Securities requested to be
     registered pursuant to Section 2.1 by a Stockholder are not
     so included in a Demand Registration, then such request
     shall not count as a requested Demand Registration hereunder
     provided, however, if Wembley makes a request for a Demand
     Registration with respect to more than 3.5 million shares of
     its Registrable Securities, and a majority of the entire
     board does not approve the registration of the shares
     requested to be registered in excess of 3.5 million, then
     such a request shall count as a requested Demand
     Registration hereunder provided such registration statement
     includes at least 3.5 million shares of Registrable
     Securities for Wembley. 

<PAGE>                        61
<PAGE>
          2.1.2   Underwriting.  (a)  If a Demand Registration
     requested by a Stockholder pursuant to Section 2.1 is for a
     Shelf Registration, then the Company will use its best
     efforts to effect such registration on Form S-3 or any
     successor form thereto and to keep such registration
     statement effective under the Securities Act until the first
     to occur of the expiration of two years from the date of
     effectiveness or the date upon which all such Registrable
     Securities have been sold.  

          (b)  If the Demand Registration requested by a
     Stockholder pursuant to Section 2.1 is for an Underwritten
     Public Offering, the Demanding Stockholder shall include in
     its request made pursuant to Section 2.1 the name of the
     managing underwriter or underwriters that such Stockholder
     proposes to employ in connection with the public offering
     proposed to be made pursuant to the registration requested;
     provided that if the Company reasonably objects to any
     managing underwriter or underwriters proposed by the
     Demanding Stockholder, the Demanding Stockholder
     shall propose another managing underwriter or underwriters
     that is or are acceptable to the Company.  The Company shall
     use its best efforts to enter into an underwriting agreement
     in customary form with the underwriter or underwriters
     selected for such underwriting in the manner set forth
     above.  The Company will take such customary actions as are
     necessary to comply with the terms and obligations of such
     underwriting agreement and will furnish such underwriters
     and their respective representatives full access to all
     information reasonably requested in connection with their
     "due diligence" review of the Company and its operations. 
     If the Demanding Stockholder disapproves of the terms of its
     Underwritten Public Offering, such Demanding Stockholder may
     elect to withdraw therefrom by written notice to the Company
     and the managing underwriter.  The withdrawal pursuant to
     this Section 2.1.2 of a portion of the shares of Registrable
     Securities from a registration effected pursuant to Section
     2.1 that is declared effective by the Commission shall not
     give rise to any additional demand registration right with 
     respect to the Registrable Securities so withdrawn. 

     2.2  Piggyback Registration.  If at any time or from
time to time after the date hereof (a) the Company shall
determine to make a Primary Offering or Shelf Offering for its
own account (but not including an offering that is registered on
Commission Forms S-4, S-8 or any successor forms thereto) or (b)
a Stockholder shall request that the Company effect a Demand
Registration, then the Company will: 

          (i)  promptly give to each Stockholder a Notice of
     Registration (which shall include a list of the

<PAGE>                        62
<PAGE>
     jurisdictions in which the Company or the Demanding
     Stockholder intends to attempt to qualify the offer and sale
     of such securities under the applicable blue sky or other
     state securities laws); and

         (ii)     use its best efforts to include in such
     registration (and any related qualification or compliance
     under blue sky laws), and in any Underwritten Public
     Offering or Shelf Offering involved therein, all the
     Registrable Securities specified in any written request or
     requests by any Stockholder received by the Company within
     10 days after such Notice of Registration is given.

          2.2.1   Limitations on Piggyback Registrations. 
     Odyssey may make a request for the inclusion of all or any
     portion of its Registrable Securities in any registration
     effected pursuant to Section 2.2 at any time after the date
     hereof through the seventh anniversary of the date hereof
     under the procedures set forth in Section 2.2. Wembley may
     make a request for the inclusion of its Registrable
     Securities in any registration effected pursuant to Section
     2.2 at any time after the first anniversary of the date
     hereof through the seventh anniversary of the date hereof
     under the procedures set forth under Section 2.2, provided
     that, Wembley may not register more than an aggregate of
     1,400,000 shares of its Registrable Securities under Section
     2.2 until after the second anniversary of the date hereof. 
     Wembley may make a request for the inclusion of all or any
     portion of its Registrable Securities in any registration
     effected pursuant to Section 2.2 at any time after the
     second anniversary of the date hereof through the seventh
     anniversary of the date hereof under the procedures set
     forth under Section 2.2.  In addition to the foregoing
     limitations, the number of Registrable Securities that may
     be included in any registration effected pursuant to Section
     2.2 shall be further limited as provided in Section 2.2.2.  

          2.2.2.  Underwriting.  (a) If the Primary Offering or
     Demand Registration through which a Stockholder desires to
     register Registrable Securities pursuant to Section 2.2 is
     for a Shelf Registration, then the Company will use its best
     efforts to effect such registration on Form S-3 or any
     successor form thereof and to keep such registration
     statement effective underthe Securities Act until the first
     to occur of the expiration of two years from the date of
     effectiveness or the date upon which all such Registrable
     Securities have been sold.  

          (b)  If the registration to be effected is an
     Underwritten Public Offering, the right of any Stockholder
     to registration pursuant to Section 2.2 shall be conditioned

<PAGE>                        63
<PAGE>
     upon such Stockholder's participation in the Underwritten
     Public Offering and the inclusion of such Stockholder's
     Registrable Securities in the Underwritten Public Offering
     to the extent provided herein.  All Stockholders proposing
     to distribute Registrable Securities through such
     Underwritten Public Offering, together with the Company,
     shall enter into an underwriting agreement in customary form
     with the underwriter or underwriters selected for such
     Underwritten Public Offering by the Company, unless the
     registration is effected pursuant to Section 2.1, in
     which event the underwriter or underwriters shall be
     selected as provided in Section 2.1.2(b).

          (c)  Notwithstanding any other provisions of Section
     2.2, if the managing underwriter determines that marketing
     factors require a limitation of the number of shares to be
     underwritten, the managing underwriter and the Company or
     Demanding Stockholder, as the case may be, may limit the
     Registrable Securities to be included in any registration of
     an Underwritten Public Offering as set forth below.  In such
     event, the Company shall so advise all Stockholders owning
     Registrable Securities which otherwise would be registered
     and underwritten pursuant thereto, and the number of shares
     of Registrable Securities that will be included in the
     registration and Underwritten Public Offering shall be
     allocated as follows:

               (i)  In the case of a Primary Offering in which
                    Stockholders are participating pursuant to
                    Section 2.2, the shares of Common Stock and
                    Registrable Securities included in the
                    registration shall be allocated first 100% to
                    the Company and then pro rata to each
                    Stockholder participating in such offering
                    based on the proportions of Registrable
                    Securities each Stockholder has requested to
                    be included in such registration.  For
                    instance, if the Company desires to register
                    3,000,000 shares of Common Stock, Wembley
                    desires to register 3,000,000 shares of
                    Common Stock, and Odyssey esires to register
                    1,500,000 shares of Common Stock, but the
                    managing underwriter informs the Company that
                    only 6,000,000 shares of Common Stock can be
                    sold in the offering, then such registration
                    statement shall include 3,000,000 shares for
                    the Company, 2,000,000 shares for Wembley and
                    1,000,000 shares for Odyssey.  

              (ii)  In the case of a Demand Registration, such
                    registration statement shall include first
                    all of the shares requested to be registered

<PAGE>                        64
<PAGE>
                    by the Demanding Stockholder, and to the
                    extent the underwriters can sell additional
                    shares, such registration shall include
                    Registrable Securities requested to be
                    registered by the other Stockholder.  For
                    instance, if after the third anniversary of
                    the date hereof, Wembley makes a request for
                    a Demand Registration of 3,000,000 shares
                    of its Registrable Securities, and Odyssey,
                    pursuant to Section 2.2, requests the
                    registration of 1,000,000 shares of its
                    Registrable Securities, but the managing
                    underwriter informs Wembley that only
                    3,500,000 shares can be sold in the offering,
                    then such registration statement shall
                    include 3,000,000 shares for Wembley and
                    500,000 shares for Odyssey.  

          (d)  No Registrable Securities excluded from the
     Underwritten Public Offering by reason of the managing
     underwriter's marketing limitation shall be included in such
     registration.  If any Stockholder disapproves of the terms
     of the Underwritten Public Offering, such Stockholder may
     elect to withdraw therefrom by written notice to the Company
     and the managing underwriter.  The Registrable Securities so
     withdrawn also shall be withdrawn from registration; 
     provided, however, that, if by the withdrawal of such
     Registrable Securities a greater number of Registrable
     Securities held by other Stockholders may, in the opinion of
     the managing underwriter, be included in such registration
     (subject to any limitation imposed by the underwriters),
     then the Company or the Demanding Stockholder, as the case
     may be, shall offer to the other Stockholder the right to
     include additional Registrable Securities in the
     registration.  

     2.3  Termination of Registration.  Notwithstanding any other
provision of this Agreement, at any time before or after the
filing of a registration statement that is subject to Section
2.2., the Company may, in its sole discretion, abandon or
terminate a Primary Offering without the consent of any
Stockholder, and a Demanding Stockholder may, in its sole
discretion, abandon or terminate a Demand Registration without
the consent of the Company or the other Stockholder.

     2.4  Registration Expenses.  All expenses (except for costs
of any underwriting and selling discounts and commissions) of any
registrations permitted pursuant to this Agreement and of all
other offerings by the Company (including, but not limited to,
the expenses of any interim audit required by any underwriters in
the event of an offering requested pursuant to Section 2.1, any
qualifications under the blue-sky or other state securities laws,

<PAGE>                        65
<PAGE>
compliance with governmental requirements of preparing and filing
any post-effective amendments required for the lawful distribu-
tion of any securities to the public in connection with a
registration and of supplying prospectuses, offering circulars or
other documents), will be paid by the Company provided, however,
that the Stockholders shall be responsible for their fees and
expenses of their counsel.

     2.5  Registration Procedures.  In the case of such
registration, qualification or compliance effected by the Company
pursuant to Article II in which any Stockholder's Registrable
Securities are included, the Company will, at its expense:

          (a)  prepare and file with the Commission a
     registration statement with respect to the Common Stock to
     be registered, and use its best efforts to cause such
     registration statement to become and remain effective for
     such period as may be reasonably necessary to effect the
     sale of the Common Stock, not to exceed nine months in the
     case of an Underwritten Public Offering, and not to exceed
     two years in the case of a Shelf Registration;

          (b)  prepare and file with the Commission such
     amendments to such registration statement and supplements to
     the prospectus contained therein as may be necessary to keep
     such registration statement effective for such period as may
     be reasonably necessary to effect the sale of such Common
     Stock, not to exceed nine months in the case of an
     Underwritten Public Offering, and not to exceed two years in
     the case of a Shelf Registration;

          (c)  furnish to the Stockholders participating in such
     registration and to the underwriters, if any, of the Common
     Stock being registered such reasonable number of copies of
     the registration statement, preliminary prospectus, final
     prospectus and such other documents as such underwriters may
     reasonably request in order to facilitate the public
     offering of such Common Stock;

          (d)  use its diligent good faith efforts to register or
     qualify the Common Stock covered by such registration
     statement under such state securities or blue sky laws of
     such jurisdictions as such participating Stockholders may
     reasonably request in writing within 20 days following the
     original filing of such registration statement; provided,
     however, that in the case of an Underwritten Public
     Offering, the managing underwriter shall advise the Company
     with respect to blue sky qualification and related matters; 

          (e)  notify counsel for the Stockholders participating
     in such registration, promptly after it shall receive notice

<PAGE>                        66
<PAGE>
     thereof, of the time when such registration statement has
     become effective or a supplement to any prospectus forming a
     part of such registration statement has been filed;

          (f)  notify counsel for the Stockholders promptly of
     any request by the Commission for the amending or
     supplementing of such registration statement or prospectus
     or for additional information;

          (g)  prepare and file with the Commission, promptly
     upon the request of any Stockholder, any amendments or
     supplements to such registration statement or prospectus
     which, in the opinion of counsel for such Stockholder (and
     concurred in by counsel for the Company), is required under
     the Securities Act or the rules and regulations thereunder
     in connection with the distribution of the Common Stock;

          (h)  prepare and promptly file with the Commission and
     promptly notify counsel for the Stockholders of the filing
     of such amendment or supplement to such registration
     statement or prospectus as may be necessary to correct any
     statements or omissions if, at the time when a prospectus
     relating to such Common Stock is required to be delivered
     under the Securities Act, any event shall have occurred as
     the result of which any such prospectus or any other
     prospectus as then in effect would include an untrue
     statement of a material fact or omit to state any material
     fact necessary to make the statements therein, in the light
     of the circumstances in which they were made, not
     misleading;

          (i)  advise counsel for the Stockholders, promptly
     after it shall receive notice or obtain knowledge thereof,
     of the issuance of any stop order by the Commission
     suspending the effectiveness of such registration statement
     or the initiation or threatening of any proceeding for such
     purpose, and promptly use its best efforts to prevent the
     issuance of any stop order or to obtain its withdrawal if
     such stop order should be issued; and

          (j)  not file any amendment or supplement to such
     registration statement or prospectus if, in the opinion of
     counsel for the Stockholders, such amendment or supplement
     does not comply in all material respects with the
     requirements of the Securities Act or the rules and
     regulations thereunder, after having been furnished with a
     copy substantially in the form thereof at least two business
     days before the filing thereof; provided, however, that if
     in the opinion of counsel for the Company, the filing of
     such amendment or supplement is reasonably necessary to
     protect the Company from any liabilities under any


<PAGE>                        67
<PAGE>
     applicable federal or state law and such filing will not
     violate applicable law, the Company may make such filing.

     2.6  Related Registration Matters.  (a) The Company will use
its reasonable efforts to enter into an underwriting agreement in
connection with any Underwritten Public Offering subject to the
provisions of Sections 2.1 and 2.2 hereof in which any
Stockholder's Registrable Securities are included, which
agreement shall contain such terms, provisions and agreements as
are customary and appropriate for such registration.  In
connection with any Underwritten Public Offering or Shelf
Registration in which any Stockholder's Registrable Securities
are included, to the extent not provided in the underwriting
agreement, if any, related to such offering, the Company also
shall use its reasonable efforts to:

          (1)  List the shares of Common Stock included in such
     offering on any national securities exchange on which the
     Common Stock is approved for listing;

          (2)  Cause customary opinions of counsel, comfort
     letters of accountants and other appropriate documents to be
     delivered by representatives of the Company; and

          (3)  As soon as practicable after the effective date of
     the registration statement, and, in any event, within 16
     months thereafter, make "generally available to its
     securities holders" (within the meaning of Rule 158 under
     the Securities Act) an earnings statement (which need not be
     audited) complying with Section 11(a) of the Securities Act
     and covering a period of at least 12 consecutive months
     beginning after the effective date of the registration
     statement.

          (b)  The Company shall be entitled to postpone the
filing of any registration statement under this Agreement
for up to 45 days or require that the parties refrain from
effecting any public sales or distributions of the
Registrable Securities, pursuant to a Shelf Registration
that has been declared effective by the Commission or other-
wise, if the board of directors of the Company in good faith
determines in its sole discretion that such registration, public
sales, or distributions would interfere in any material respect
with any transaction involving the Company that in the sole
discretion of the board of directors is material to the Company. 
The board of directors shall, as promptly as practicable, give
the Stockholders written notice of any such development.  In the
event of a postponement of the filing of a registration statement
required to be filed under this Agreement, or a request by the
board of directors that the Stockholders refrain from effecting
any public sales or distributions of the Registrable Securities,

<PAGE>                        68
<PAGE>
the Company shall be required to file such registration statement
or lift such restrictions regarding effecting public sales or
distributions of the Registrable Securities, as the case may be,
as soon as reasonably practicable after the board of directors
shall determine, in its sole discretion, that the filing of such
registration statement and the offering thereunder or the public
sales or distributions by the Stockholders of the Registrable
Securities, as the case may be, shall not interfere with such 
transaction, provided, that in any event no postponement of the
filing of a registration statement required under this Agreement
or a requirement that the Stockholders refrain from effecting
public sales or distributions in the Registrable Securities
extend for more than 45 days.  

          (c)  If the Company or any subsidiary of the Company
plans to repurchase or bid for securities of the Company in the
open market, and the board of directors of the Company determines
in its sole discretion that any such repurchase or bid may not
under Rule 10b-6 ("Rule 10b-6") under the Exchange Act, be
commenced or consummated, the Company shall be entitled, for a
period not to exceed 20 days (subject to extension as described
herein), to require that any Stockholder suspend or postpone any
distribution of securities of the Company (a "Rule 10b-6
Election").  The Company shall, as promptly practicable, give the
Stockholders written notice of any Rule 10b-6 Election, stating
the basis for the Rule 10b-6 Election and specifying the
securities and the distribution of which is required to be
suspended or postponed.  As promptly as practicable following the
determination by the board of directors that the Stockholders may
recommence their distribution without causing the Company or a
subsidiary of the Company to be in violation of Rule 10b-6, the
Company shall give the Stockholders written notice of such
determination.  If the board of directors has not permitted the
Stockholders to recommence their distribution by the 20th day
following such suspension and on such 20th day delivers written
evidence to the Stockholder subject to suspension that during
such period the Company or subsidiary repurchased at least 50,000
shares of Common Stock of the Company, then the board of
directors shall be entitled to extend the suspension of such
distribution by up to another 20 days.  The board of directors
may exercise a Rule 10b-6 Election in respect to up to two
additional 20 day extension periods after the first, provided
that the volume and notice provisions required herein are
complied with in respect to each such additional extension
period.  

          (d)  If the Company shall have given any Stockholder at
least 10 business days prior written notice of any proposed
distribution within the meaning of Rule 10b-6 of any securities
of the Company, describing in reasonable detail the type and
number of securities proposed to be distributed, the intended
method of distribution, and any other material information

<PAGE>                        69
<PAGE>
regarding the distribution, such Stockholders may only bid for or
purchase securities of the Company in accordance with Rule 10b-6.

The Company shall notify each Stockholder in writing as promptly
as practicable following the completion or abandonment of such
proposed distribution period.  

          (e)  If the Company shall register any Underwritten
Public Offering (other than a registration on Form S-8 of (i) an
employee stock option, stock purchase or compensation plan or of
securities issued or issuable pursuant to such plan, or (ii) a
dividend reinvestment plan) or any underwritten Demand

Registration initiated at the request of a holder of Registrable
Securities, each Stockholder agrees, to the extent requested in
writing by the managing underwriter administering such offering
as reasonably practicable before the commencement of the 10 day
period referred below, not to effect any public sale or
distribution of securities of the Company other than as part of
such underwritten offering during the 10 day period before the
effective date of the registration statement covering such
Underwritten Public Offering or Demand Registration and during
the period ending on the earlier of (i) the date such sale or
distribution is permitted by such managing underwriter and (ii)
45 days after such effective date.  

     2.7  Indemnification.

          (a)  In the case of each registration effected by the
     Company pursuant to this Agreement in which any stock-
     holder's Registrable Securities are included, the Company
     agrees to indemnify, defend and hold harmless such
     Stockholder, its officers and directors, each underwriter of
     the shares of Common Stock so registered and each person who
     controls any such underwriter within the meaning of Section
     15 of the Securities Act, against any and all losses,
     claims, damages or liabilities (including reasonable
     attorneys' fees) to which they or any of them may become
     subject under the Securities Act or any other statute or
     common law, including any amount paid in settlement of
     any litigation, commenced or threatened, if such settlement
     is effected with the written consent of the Company (subject
     to subsection (c) of this Section 2.7), insofar as any such
     losses, claims, damages, liabilities or actions arise out of
     or are based upon any untrue statement or alleged untrue
     statement of a material fact contained in the registration
     statement, any preliminary prospectus or final prospectus
     contained therein, or any amendment or supplement thereto,
     or in any Blue Sky application, or the omission or alleged
     omission to state therein a material fact required to be
     stated therein or necessary to make the statements therein
     not misleading; provided, however, that, notwithstanding the

<PAGE>                        70
<PAGE>
     foregoing, the Company may agree to indemnify each such
     underwriter and person who so controls such underwriter to
     such other extent as the Company and such underwriter shall
     agree; and provided further, that the indemnification
     agreement contained in this subsection (a) shall not 
     (i) apply to such losses, claims, damages, liabilities or
     actions arising out of, or based upon, any such untrue
     statement or alleged untrue statement, or any such omission
     or alleged omission, if such statement or omission was made
     in reliance upon and in conformity with information
     furnished to the Company in writing by a Stockholder or such
     underwriter claiming rights of indemnification pursuant to
     this Section 2.7 for use in connection with the preparation
     of the registration statement or any preliminary prospectus
     or prospectus contained in the registration statement or any
     such amendment thereof or supplement thereto; (ii) inure to
     the benefit of any underwriter (or to the benefit of any
     person controlling such underwriter) from whom the person
     asserting any such losses, claims, damages, expenses or
     liabilities purchased the securities which are the subject
     thereof, if such underwriter failed to send or give a copy
     of the final prospectus, as then amended or supplemented, to
     such person and if the untrue statement or omission alleged
     had been corrected in such final prospectus; or (iii) inure
     to the benefit of any person to the extent such person's
     claim for indemnification hereunder arises out of or is
     based on any violation by such person of applicable law, as
     determined by a final, unappealable decision of a court of
     competent jurisdiction. 

          (b)  In the case of each registration effected by the
     Company pursuant to this Agreement in which any Stock-
     holder's Registrable Securities are included, such Stock-
     holder (the "indemnifying person") shall be obligated, in
     the same manner and to the same extent as set forth in
     subsection (a) of this Section 2.7, to indemnify and hold
     harmless the Company and each person, if any, who controls
     the Company within the meaning of Section 15 of the
     Securities Act, its directors and officers, with respect to
     any statement or alleged untrue statement in, or omission or
     alleged omission from, such registration statement or any
     post-effective amendment thereof or any preliminary 
     prospectus or final prospectus (as amended or supplemented,
     if amended or supplemented as aforesaid) contained in such
     registration statement, if such statement or omission was
     made in reliance upon and in conformity with information
     furnished in writing to the Company by such indemnifying
     person for use in connection with the preparation of such
     registration statement or any preliminary prospectus or
     final prospectus contained in such registration statement or
     any such amendment thereof or supplement thereto; provided,
     however, that the liability of each Stockholder hereunder

<PAGE>                        71

<PAGE>
     shall be limited to the proceeds received by each Stock-
     holder from the sale of Registrable Securities covered by
     such registration statement, amendment, supplement,
     prospectus or Blue Sky application, as the case may be.

          (c)  Each person to be indemnified pursuant to this
     Section 2.7 will, promptly after its receipt of written
     notice of the commencement of any action against such
     indemnified person in respect of which indemnity may be
     sought from an indemnifying person under this Section 2.7,
     notify the indemnifying person in writing of the commence-
     ment thereof, provided, however that the failure of any
     person to give notice as provided herein shall not relieve
     the indemnifying party of its obligations under this
     Agreement except to the extent that such indemnifying party
     is actually prejudiced by such failure to give notice.  If
     any such action shall be brought against any indemnified
     person and it shall notify an indemnifying person of the
     commencement thereof, the indemnifying person will be
     entitled to participate therein and, to the extent it may
     desire, jointly with any other indemnifying person similarly
     notified, to assume the defense thereof with counsel
     satisfactory to such indemnified person, and after notice
     from the indemnifying person to such indemnified person of
     its election so to assume the defense thereof, the
     indemnifying person will not be liable to such indemnified
     person under this Section 2.7 for any legal or other
     expenses subsequently incurred by such indemnified person in
     connection with the defense thereof other than reasonable
     costs of investigation unless (i) the indemnified person
     shall have employed counsel in an action in which the
     indemnified person and indemnifying person are both
     defendants and there is a conflict of interest between such
     parties that would prevent counsel from adequately
     representing both parties, (ii) the indemnifying person
     shall not have employed counsel satisfactory within the
     exercise of reasonable judgment of the indemnified person to
     represent the indemnified person within a reasonable time
     after the notice of the commencement of the action or 
     (iii) the indemnifying person has authorized the employment
     of counsel for the indemnified person at the expense of the
     indemnifying person.  The undertaking contained in this
     Section 2.7 shall be in addition to any liabilities which
     the indemnifying person may have pursuant to law.

     2.8  Information by Stockholders.  Each Stockholder
requesting to be included in any registration shall furnish to
the Company such information regarding such Stockholder and the
distribution proposed by such Stockholder as the Company may
request and as shall be reasonably required in connection with
any registration, qualification or compliance referred to in
Article II.

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<PAGE>
     2.9  Rule 144 Reporting.  With a view to making available to
the Stockholders the benefits of certain rules and regulations of
the Commission which may permit the sale of the Registrable
Securities to the public without registration, the Company agrees
to:

          (a)  Commission Reports.  File with the Commission in a
     timely manner all reports and other documents required of
     the Company under Sections 13 or 15(d) of the Exchange Act;
     and 

          (b)  Other Information.  Furnish to each Stockholder
     forthwith upon its request (i) a written statement by the
     Company as to the Company's compliance with the public
     information requirements of Commission Rule 144, (ii) a copy
     of the most recent annual or quarterly report of the
     Company, and (iii) such other reports and documents as may
     be reasonably requested in availing any Stockholder of any
     rule or regulation of the Commission permitting the sale of
     any such securities without registration.

     2.10  Rights Non-Transferable.  The registration rights
provided by this Agreement are for the sole benefit of the
Stockholders, are personal in nature, and shall not be available
to any subsequent holder of the Registrable Securities.

     2.11  Limitation on Third Party Piggyback Registrations. 
Without the consent of both Odyssey and Wembley, the Company will
not enter into any agreement that permits any Person not a party
to this Agreement to participate in any Demand Registration or
Piggyback Registration under this Agreement. 

                           ARTICLE III

                          MISCELLANEOUS

     3.1  Remedies.  Each party hereto acknowledges that a remedy
at law for any breach or attempted breach of this Agreement will
be inadequate, agrees that each other party hereto shall be
entitled to specific performance and injunctive and other
equitable relief in case of any such breach or attempted breach,
and further agrees to waive any requirement for the securing or
posting of any bond in connection with the obtaining of any such
injunctive or any other equitable relief.

     3.2  Effect of Sale.  Any Stockholder who sells all of his
Registrable Securities pursuant to the terms of this Agreement
shall cease to be a party to this Agreement and shall have no
further rights or obligations hereunder.

     3.3  Amendment.  This Agreement may be amended from time to
time by an instrument in writing signed by all Persons who are
parties to this Agreement.
<PAGE>                        73
<PAGE>

     3.4  Notices.  Any notice, request, reply instruction or
other communication (herein severally and collectively called
"notice") in this Agreement provided or permitted to be given to
the Company or to any Stockholder must be given in writing and
may be given or served by depositing the same in the United
States mail, in certified or registered form, postage fully
prepaid, addressed to the party or parties to be notified, with
return postage fully requested, or by delivering the same in
person to such party or parties.  Notice deposited in the United
States mail, mailed in the manner hereinabove described, shall be
effective upon deposit.  Notice given in any other manner shall
be effective only if and when received by the party to be
notified.  For purpose of notice hereunder, the address of the
Company shall be 19103 Gundle Road, Houston, Texas 77073 and the
respective addresses of the Stockholders shall be the addresses
hereinafter set forth on Schedule A hereto.

     3.5  Governing Law.  This Agreement shall be subject to and
governed by the laws of the State of Texas.

     3.6  Successors and Assigns.  This Agreement shall be
binding upon and inure to the parties to this Agreement alone and
no implication that any other person has any rights under this
Agreement shall be made from the provisions hereof, provided,
however, that the obligations of the Company pursuant to this
Agreement shall be binding upon the Company's successors. 

     3.7  Invalid Provisions.  Should any portion of this
Agreement be adjudged or held to be invalid, unenforceable or
void, such holding shall not have the effect of invalidating or
voiding the remainder of this Agreement and the parties hereby
agree that the portion so held invalid, unenforceable or void
shall, if possible, be deemed amended or reduced in scope, or to
otherwise be stricken from this Agreement to the extent required
for the purposes of validity and enforcement thereof.

     3.8  Section Headings.  The section headings contained
herein are for reference purposes only and shall not in any way
affect the meaning and interpretation of this Agreement.

     3.9  Execution in Counterparts.  This Agreement may be
executed in any number of counterparts, each of which when so
executed and delivered shall be deemed an original, and such
counterparts together shall constitute only one instrument.

<PAGE>                        74
<PAGE>
          SIGNATURE PAGE - REGISTRATION RIGHTS AGREEMENT

     IN WITNESS WHEREOF, the parties hereto have caused this
Agreement to be executed by themselves or by their respective
duly authorized representatives as of the date first above set
forth.

                              COMPANY:

                              GUNDLE ENVIRONMENTAL SYSTEMS, INC.


By:________________________
                                Thomas L. Caltrider, President


                              STOCKHOLDERS:

                              ODYSSEY PARTNERS, L.P.



___________________________
                                By:  Jack Nash, General Partner


                              WEMBLEY, LTD.



By:________________________
                                Samir Badawi, Authorized Officer












<PAGE>                        75
<PAGE>
                                                    Schedule A to
                                    Registration Rights Agreement


                HOLDERS OF REGISTRABLE SECURITIES

                                    Shares of Registrable
Name and Address                       Securities Owned
- ----------------                    ---------------------

Odyssey Partners, L.P.                    2,071,656
31 West 52nd Street
New York, NY  10019

Wembley, Inc.                             7,000,000
Columbus Centre Building
Post Office Box 659
Road Town
Tortola
British Virgin Islands

<PAGE>                        75



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