LOAN AGREEMENT
                                 --------------


     This Loan  Agreement  ("Loan  Agreement")  dated as of  September  14, 2001
between SpaceLogix,  Inc., a Delaware  corporation having its principal place of
business at 500 Fifth  Avenue,  New York,  NY 10176 (the  "Lender")  and Vizacom
Inc.,  a Delaware  corporation  having its  principal  place of business at 3512
Veterans Memorial Highway, Bohemia, New York 11716 ("Borrower" and together with
Lender, the "Parties").

                                   WITNESSETH
                                   ----------

     WHEREAS,  the Parties  have  executed a  non-binding  Letter of Intent (the
"LOI")  which   contemplates  the  merger  of  Lender  into  one  of  Borrower's
subsidiaries  (the  "Merger")  pursuant to the terms of a merger  agreement (the
"Merger Agreement") to be negotiated by the Parties;

     WHEREAS,  in contemplation  of the Merger,  the Borrower has requested that
Lender to provide a loan in the aggregate  principal amount of up to $650,000 in
three  separate  installments  (the  "Loan," and each  installment  thereof,  an
"Installment"); and

     WHEREAS,  Lender  is  willing  to  furnish  such  Loan  upon the  terms and
conditions contained herein.

     NOW, THEREFORE,  in consideration of the mutual covenants contained herein,
and other good and valuable consideration,  the receipt and sufficiency of which
is hereby acknowledged, it is hereby agreed as follows:

     Section 1. AMOUNT AND TERMS OF LOAN

     1.1     LOAN.  Subject at all times to all of  the terms and  conditions of
this  Loan  Agreement,  the  Lender  agrees  to  extend to the Borrower the Loan
in accordance  with the provisions of Section 1.7 of this Loan  Agreement.  Such
Loan is to be  evidenced  by the  promissory  note  (the  "Note")  delivered  by
Borrower to Lender in the form set forth as Exhibit A attached hereto.

     1.2     PRINCIPAL AND INTEREST REPAYMENTS.  The Note shall bear interest at
the  rate  of  9%  per  annum and shall mature on demand upon the termination of
negotiations  of the  Merger  provided  in  writing  by  either  of the  Parties
evidencing  an  irrevocable  breakdown in  negotiations,  after which demand the
principal  of, and interest on, the Note shall be payable at the rate of $40,000
per month until paid in full.

     1.3     APPLICATION  OF  PAYMENTS.  Payments  by Borrower on the Note shall
be  applied  by Lender  first  to  the  payment  of  any  accrued   and   unpaid
interest on the Note,  and next to the payment of  outstanding  principal on the
Note.


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     1.4     PREPAYMENT.  The  Note  may be  prepaid in whole at any  time or in
part  from  time  to  time,  together  with  any accrued  interest on the amount
prepaid to the date of prepayment without premium or penalty.

     1.5     USE OF PROCEEDS.  Approximately  $450,000 of the Loan shall be used
for the working capital of Borrower's PWR Systems, Inc. subsidiary.

     1.6     LOAN  EXTENSION.  Notwithstanding  Section  1.5,  Lender  may  post
cash  collateral  for  one  or  more stand-by  letters of credit for the benefit
of Borrower or one of Borrower's  subsidiaries,  including PWR Systems, Inc., in
lieu of funding all or part of the second and/or third Installment.

     1.7     CLOSINGS: LOAN INSTALLMENTS.

             (a)  Payment   of  the  first  Installment  in  an  amount equal to
                  $250,000 shall occur  simultaneously  with the  execution  and
                  delivery of this Loan Agreement (the "First Closing Date");

             (b)  Payment  of  the  second  Installment  in  an  amount equal to
                  $200,000 shall occur  simultaneously  with  the  execution and
                  delivery to the Lender  by  the  Borrower  of a first draft of
                  the  Merger  Agreement  between  the  Parties  that reasonably
                  reflects  the  terms contained in the LOI (the "Second Closing
                  Date"); and

             (c)  Payment  of  the  third  Installment  in  an  amount  equal to
                  $200,000  shall  occur  simultaneously  with the execution and
                  delivery of  the  Merger  Agreement by the Parties (the "Third
                  Closing Date").

     Section 2. REPRESENTATIONS AND WARRANTIES OF BORROWER

     The Borrower hereby represents and warrants to Lender that:

     2.1     CORPORATE EXISTENCE.  The  Borrower  is  validly  existing  in good
standing  under  the  laws  of  the  State of  Delaware,  and has the  corporate
power to engage in the business now conducted by it.

     2.2     AUTHORIZATION.  The Borrower has the corporate  power and authority
to  execute,  deliver,  and  perform  (i)  the Security Agreement dated the date
hereof between the Parties (the "Security Agreement"),  (ii) this Loan Agreement
and (iii) the Note (together with the Loan Agreement and Security Agreement, the
"Loan  Documents"),  to carry out its obligations under the Loan Documents,  and
has taken all necessary corporate action to authorize the execution and delivery
of the Loan  Documents.  The Loan  Documents  constitute  the valid and  binding
obligations  of the Borrower  enforceable  in accordance  with their  respective
terms, subject to due authorization, execution and delivery by Lender, except as
such  enforceability may be limited by bankruptcy,  insolvency and other general
principles  of equity.  No consent of any other party and no  consent,  license,
approval  or  authorization  of any  governmental  authority  is  required to be
obtained by Borrower in connection with the execution, delivery, and performance
of the Loan Documents.

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     2.3     NO CONFLICTS.  The  execution and delivery by the Borrower  of  the
Loan  Documents  does  not  conflict  with  or  result  in  the  breach  of  its
Certificate  of  Incorporation  or bylaws,  any  agreement,  mortgage or similar
instrument  under which the Borrower is bound, or any law, rule or regulation of
any governmental agency applicable to it.

     2.4     COLLATERAL.  All  payments  due and owing to  Borrower  under  that
certain  promissory  note  (the  "Serif  Note"),  dated  March 31, 2001, payable
by Serif Inc. ("Serif") to Borrower,  in the original aggregate principal amount
of  $987,500,  have been  timely  made.  The Serif Note does not grant Serif any
right of  set-off.  The amount  outstanding  under the Serif Note as of the date
hereof is approximately $836,000.

     Section 3. CONDITIONS OF FUNDING

     The obligation of Lender to make the Loan provided for in Section 1.1 shall
be subject to the  performance,  on or prior to the funding of the Loan, of each
of the following conditions:

     3.1     REPRESENTATIONS  AND WARRANTIES;  NO DEFAULT.  The  representations
and  warranties  of  the  Borrower  set  forth in this Loan  Agreement  shall be
true and  correct  in all  material  respects  as of the date of  funding of any
Installment,  and no Event of Default or any event  which,  with the  passage of
time or the  giving of  notice or both,  would  constitute  an Event of  Default
hereunder shall have occurred and be continuing.

     3.2     REGULATIONS.  The  making  of the  Loan  and the other transactions
contemplated  hereby,  including but not limited to the execution,  delivery and
performance of the Loan  Documents,  shall be in compliance with applicable laws
and government regulations imposed upon the Parties.

     Section 4. EVENTS OF DEFAULT AND REMEDIES

     4.1     EVENTS OF DEFAULT. An  "Event of Default" shall exist if any one or
more of the following shall occur:

     (a)     failure by Borrower to pay the principal or interest of the Note or
any  installment  thereof  when  due,  whether  on the date fixed for payment or
by  acceleration  or  otherwise;  provided,  however,  that  failure  to pay any
principal or interest  when due shall not be an Event of Default if such overdue
payment is paid within ten business days of such due date; or

     (b)     a final judgment for the  payment  of  money  in  excess of $10,000
shall  be  rendered  against  Borrower,   and   such   judgment   shall   remain
undischarged  for a period of sixty days from the date of entry  thereof  unless
within such sixty day period such  judgment  shall be stayed,  and appeal  taken
therefrom and the execution thereon stayed during such appeal; or

     (c)     if  Borrower  shall  default   in   respect   of  any  evidence  of
indebtedness  or  under  any  agreement  under which any notes or other evidence
of  indebtedness  of Borrower are issued,  if the effect thereof is to cause, or
permit the holder or holders thereof to cause, such obligation or obligations in
an

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amount  in  excess  of  $10,000  in the  aggregate to become due prior to its or
their stated maturity or to permit the acceleration thereof; or

     (d)     if Borrower  or any other  authorized  person or entity  shall take
any action to effect a dissolution, liquidation or winding up of Borrower; or

     (e)     if  Borrower  shall  make a  general  assignment  for  the  benefit
of creditors or consent to the appointment of a receiver, liquidator, custodian,
or  similar  official  of  all  or substantially  all of its properties,  or any
such  official  is placed in  control  of such  properties,  or  Borrower  shall
commence any action or proceeding or take advantage of or file under any federal
or state insolvency statute,  including,  without limitation,  the United States
Bankruptcy Code or any political  subdivision thereof,  seeking to have an order
for relief entered with respect to it or seeking  adjudication  as a bankrupt or
insolvent,  or seeking  reorganization,  arrangement,  adjustment,  liquidation,
dissolution,  administration,  a  voluntary  arrangement,  or other  relief with
respect to it or its debts; or

     (f)     there  shall  be   commenced   against   Borrower  any  action   or
proceeding  of  the  nature  referred  to  in   paragraph   (e) above or seeking
issuance of a warrant of attachment,  execution,  distraint,  or similar process
against all or any substantial  part of the property of Borrower,  which results
in the entry of an order for relief which remains  undismissed,  undischarged or
unbonded for a period of sixty days; or

     (g)     Borrower  enters into an agreement to acquire a business other than
SpaceLogix without the consent of SpaceLogix.

     4.2     REMEDIES.  Upon  the  occurrence  of  an  Event of Default the Loan
shall be immediately due and payable upon demand.

     Section 5. CLOSING; DELIVERY.

     5.1     SECURITY AGREEMENT.  The  Borrower  shall  execute  and deliver the
Security  Agreement   to   Lender  substantially  in  the  form  of   Exhibit  B
attached  hereto;  provided,  however,  that upon  closing  of the  Merger,  the
Security Agreement shall be released and the Loan shall be canceled.

     5.2     SHARES.

             (a)     The  Borrower shall  issue  to  the  Lender an aggregate of
400,000 shares  of  common  stock,  par value $.001 per share (the "Shares"), of
Borrower, as follows:

             (i)     on  the  First  Closing  Date, Borrower shall issue 200,000
                     Shares to Lender;

             (ii)    on the Second Closing Date,  Borrower  shall  issue 100,000
                     Shares to Lender;

             (iii)   on  the  Third  Closing  Date, Borrower shall issue 100,000
                     Shares to Lender;

             (b)     In  the event that the Merger does not occur as a result of
the action or

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inaction  of  the   Borrower,  including  any  failure  to approve the Merger by
the stockholders of Borrower, Lender shall return to Borrower upon retirement of
the Note all Shares in excess of 200,000.  In the event that the Merger does not
occur as a result of the action or inaction of a party other than the  Borrower,
upon  retirement of the Note, one hundred percent (100%) of all Shares issued to
Lender  pursuant to this Section 5.2 (or the  entirety of such lesser  amount as
may have been  issued as of such time  pursuant  to this  Section  5.2) shall be
returned immediately to the Borrower for cancellation.

     5.3     NOTE; COLLATERAL

             (a)     Borrower  shall  execute and deliver to the Lender the Note
on  the  First  Closing   Date,  and  be obligated to Lender with respect to the
first  Installment.  Upon each of the Second  Closing Date and the Third Closing
Date,  respectively,  Borrower  shall  become  obligated  to Lender  for the sum
advanced  thereon by evidencing such  indebtedness on the Note when such amounts
have been funded.

             (b)     Borrower  shall  deliver  to  the  Lender  a first priority
security  interest in  the  Serif  Note,  as  collateral (the  "Collateral") for
the Loan upon the  terms and  conditions  set forth in the  Security  Agreement,
subject to Section 5.1 herein. Borrower shall deliver the original Serif Note to
David L. Lougee,  Esq.,  counsel to Lender,  and which may be released by him to
Lender upon the occurrence of an Event of Default and which shall be returned to
Borrower upon the earlier of (a)  consummation of the Merger or (b) satisfaction
in full of all amounts due under the Note.

     5.4     UCC FINANCING STATEMENTS

             (a)     All  filings  of  UCC  financing  statements  and all other
filings  and  actions  necessary  to  perfect   and   maintain   the    security
interests  granted  to  Lender  as  first,  valid  and  perfected  liens  in the
Collateral shall have been filed or taken, and confirmation thereof received, by
Lender.

     Section 6.     MISCELLANEOUS

     6.1.     NOTICES. All  notices, requests  or other communications to either
of  the  parties  by  the  other  shall  be in writing  and shall be deemed duly
given on the earlier of the date the same is delivered  in person,  by facsimile
transmission  electronically  confirmed or by a nationally  recognized overnight
courier  service,  or when  deposited in the United  States  mail,  certified or
registered, postage prepaid, return receipt requested, as follows:

     If to Lender:

     SpaceLogix, Inc.
     500 Fifth Avenue, 14th Flr.
     New York, NY 10176
     Attention: Mark Barbera
     Fax: (212) 575-6589

     With a copy to:


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     David L. Lougee
     Mirick O'Connell & Lougee
     100 Front Street
     Worcester, MA 01608-1477

     If to the Borrower :

     Vizacom Inc.
     3512 Veterans Memorial Highway
     Bohemia, New York 11716
     Attention: President

     With a copy to:

     Neil M. Kaufman, Esq.
     Kaufman & Moomjian, LLC
     50 Charles Lindbergh Boulevard
     Suite 206
     Mitchel Field, New York 11553
     Fax: (516) 222-5110

     Either party may  designate by notice in writing to the other a new address
to which notices, requests and other communications hereunder shall be given.

     6.2     CONSTRUCTION.   This   Loan  Agreement  and   all  instruments   or
agreements  delivered   hereunder  shall   be  governed  by  and   construed  in
accordance  with the laws of the  State of New  York,  excluding  therefrom  any
principles of conflicts of laws. If any of the provisions of this Loan Agreement
shall be or become illegal or unenforceable  under any law, the other provisions
shall remain in full force and effect.

     6.3     SURVIVAL OF  AGREEMENTS. Except as herein provided, all agreements,
representations  and  warranties  made herein and in any  certificate  delivered
pursuant hereto, shall survive the execution and delivery of this Loan Agreement
and the Note,  and shall  continue  in full force and effect  until the Loan has
been paid in full.

     6.4     ENTIRE AGREEMENT.  This Loan Agreement and the other Loan Documents
contain the entire agreement  between the parties hereto relating to the subject
matter  hereof,  supersede any other  agreements  relating to the subject matter
hereof  and may be  amended,  changed or  terminated  only by an  instrument  in
writing signed by the parties hereto.

     6.5     WAIVERS.  No failure to exercise and no delay in exercising, on the
part of Lender, any right,  power  or  privilege  under  this Loan Agreement, or
any agreement or instrument  delivered to Lender hereunder or thereunder,  shall
operate as a waiver thereof.


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     6.6     CAPTIONS.  Captions used herein are inserted for  convenience  only
and shall not be given any legal effect.

     6.7     COUNTERPARTS.  This Loan  Agreement  may be  executed in any number
of  counterparts,  each  of  which  shall  be  deemed  an  original,  but all of
which together shall constitute one and the same agreement.

     6.8     SUCCESSORS AND ASSIGNS.  This Loan Agreement  shall be binding upon
and  inure  to  the  benefit  of the  Borrower  and Lender and their  respective
successors  and assigns  except that the rights and  obligations of the Borrower
hereunder may not be assigned or transferred  in any respect.  The provisions of
this Loan Agreement are intended to be for the benefit of any holder,  from time
to time, of the Note and shall be enforceable by any such holder, whether or not
an expressed  assignment to such holder of rights under this Loan  Agreement has
been made by Lender or their successors or assigns.


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<PAGE>


         IN WITNESS WHEREOF, the parties hereto have caused this Loan Agreement
to be duly executed and delivered by their respective officers thereunto duly
authorized as of the day and year first above written.

                                     Borrower:

                                     VIZACOM INC.


                                     By:         /s/ Vincent DiSpigno
                                        -------------------------------------
                                        Name:   Vincent DiSpigno
                                        Title:  President



                                     Lender:

                                     SPACELOGIX, INC.


                                     By:        /s/ Wayne Allen
                                        -------------------------------------
                                        Name:   Wayne Allen
                                        Title:  President & CEO


                                     -----------------------------------------
                                     David L. Lougee, Esq., as to Section 5.3


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                                    Exhibits
                                    --------

Exhibit A     Form of Note
Exhibit B     Form of Security Agreement