EXHIBIT 99.1

                                SUMMA INDUSTRIES

          THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS

     The undersigned hereby appoints James R. Swartwout and Paul A. Walbrun, and
each and either of them, as attorney-in-fact and proxy for the undersigned, with
full power of substitution, to represent the undersigned and vote, as designated
below, all of the shares of Common Stock of Summa Industries,  a California
corporation (the "Company"), which the undersigned is entitled to vote at the
Company's Annual Meeting of Stockholders to be held on November 21, 1996, and at
any adjournment or continuation thereof.

1.   PROPOSAL TO APPROVE THE MERGER OF A WHOLLY-OWNED SUBSIDIARY OF THE COMPANY
     WITH AND INTO LEXALITE INTERNATIONAL CORPORATION, AND THE ISSUANCE OF
     SHARES OF THE COMPANY'S COMMON STOCK  AS A CONSEQUENCE THEREOF, ON THE
     TERMS AND CONDITIONS DESCRIBED IN MORE DETAIL IN THE JOINT PROXY
     STATEMENT/PROSPECTUS DATED OCTOBER, 1996.  In approving the Merger, the
     Company's shareholders will approve, among other things, an amendment to
     the Company's Articles of Incorporation to establish a 9-member Board of
     Directors divided into three classes serving staggered 3-year terms, and
     the adoption by the Company of the LexaLite Employee Stock Ownership Plan,
     as amended, all as more particularly described in the Joint Proxy
     Statement/Prospectus.

                  [_]  FOR      [_]  AGAINST      [_]  ABSTAIN

2.  ELECTION OF DIRECTORS.

     If the Merger is approved:

        [_] FOR all nominees listed below    [_] WITHHOLD AUTHORITY for all
                                                 nominees
 
  Michael L. Horst, James R. Swartwout and Josh Barnes, each for a 3-year term
  Coalson C. Morris, Karl V. Palmaer and Byron C. Roth, each for a 2-year term

     If the Merger is NOT approved:

        [_]  FOR all nominees listed below    [_] WITHHOLD AUTHORITY for all
                                                  nominees
 
 Michael L. Horst, James R. Swartwout, Coalson C. Morris  and Karl V. Palmaer,
                             each for a 2-year term

(INSTRUCTION:  To withhold authority to vote for any nominee, mark FOR above and
               cross out the name(s) of the nominees with respect to whom
               authority is withheld)
 
3.   In their discretion, upon such other business as may properly come before
     the Annual Meeting or any adjournment or continuation thereof.

                                                     (Continued on reverse side)

 
(Continued from reverse side)


     THIS PROXY, WHEN PROPERLY EXECUTED, WILL BE VOTED IN THE MANNER HEREIN
SPECIFIED BY THE UNDERSIGNED SHAREHOLDER.  IF NO DIRECTION IS INDICATED, THIS
PROXY WILL BE VOTED FOR APPROVAL OF THE PROPOSED MERGER,  FOR ELECTION TO THE
COMPANY'S BOARD OF DIRECTORS  OF EACH OF THE SIX NOMINEES LISTED ABOVE IF THE
MERGER IS APPROVED, OR FOR EACH OF THE FOUR NOMINEES LISTED ABOVE IF THE MERGER
IS NOT APPROVED, AND IN ACCORDANCE WITH THE DISCRETION OF THE PROXIES ON ANY
OTHER MATTERS TO COME BEFORE THE ANNUAL MEETING.

     Please sign exactly as your name appears below, date and return this card
promptly using the enclosed envelope.  Executors, administrators, guardians,
officers of corporations, and others signing in a fiduciary capacity should
state their full titles as such.
 
                                               Dated _______________, 1996
 

                                               ___________________________
                                                          Signature


                                               ___________________________
                                               Signature (if held jointly)


  WHETHER OR NOT YOU PLAN TO ATTEND THE ANNUAL MEETING, YOU ARE URGED TO MARK,
    SIGN, DATE AND PROMPTLY RETURN THIS PROXY, USING THE ENCLOSED ENVELOPE.