February 15, 1999



Mr. Dennis Filger
23 Kent Drive
Foxmeadow Farms
Hockessin, DE 19707-9623

Dear Dennis,

On behalf of Chemfab Corporation, I am very pleased to offer you the position of
Vice President, Business Development and Technology, reporting to CHEMFAB's
President and CEO at our Merrimack, NH facility.

We would like you to start on or before May 3, 1999 with an annual  base  salary
of $140,000 and you will  participate in the officer bonus  program.  Additional
information regarding our offer, including benefits, is contained in attachments
#1 - 10, which are an integral part of this offer and your terms and  conditions
of employment with Chemfab Corporation.

I believe that the  combination of experience and skills you have developed have
prepared you well for a successful career at CHEMFAB.

If you have any  questions  regarding  the content of this letter or the related
attachments,  please do not hesitate to call me. If this offer is  acceptable to
you,  please  confirm your  acceptance  of our offer by signing one copy of this
letter and returning it to me by Federal Express to arrive by February 22, 1999.

Your  appointment  as an officer of the company and your stock  option award are
subject to Board of Director's  approval.  Based on my conversations with fellow
Board members, I do not expect these approvals to be a problem.

I look forward with enthusiasm to welcoming you to CHEMFAB.

Sincerely,




John W. Verbicky
President and
Chief Executive Officer

JWV/jag
Enclosures

<PAGE>

                                   ENCLOSURES


#1       Offer of Employment Letter
#2       General Employment Offer Provisions
#3       Standard Employment Application
#4       Summary of Employee Fringe Benefits
#5       Level A Agreement
#6       Form I-9
#7       CHEMFAB Policy Statement on Drug-Free Workplace/ CHEMFAB Policy
         Statement on Pre-Employment Drug Screening
#8       CHEMFAB Consent and Release for Medical Examination & Testing
#9       Applicable Relocation Policy
#10      Senior Management Team Stock Ownership Policy






I hereby accept this offer of employment in its entirety as described above.







----------------------------------                   --------------------------
Signature                                            Date

<PAGE>

Attachment #1

                                EMPLOYMENT OFFER

TITLE:               Vice President Business Development and Technology

REPORTING TO:        CHEMFAB's President and CEO

CASH COMPENSATION:   $140,000 annually.

                     Additionally,  you  will  be  eligible  to  participate  in
                     CHEMFAB's  Officer Bonus Plan for FY 2000 which starts July
                     1, 1999 through June 30, 2000.

STOCK                OPTIONS:  A Stock Option grant of 30,000  shares of CHEMFAB
                     stock with an exercise  price based on fair market value on
                     your actual start date. Vesting will occur over a four-year
                     period  and the  options  will  expire  ten years from your
                     start date.  The Stock Option will be "cliff vested" and is
                     subject to Board of Director approval.

ANNUAL REVIEW:       Your first review will be in September of 1999 and annually
                     thereafter.

VACATION SCHEDULE:   120 hours per year. Additional hours after additional years
                     of service, as per attached benefit package.

RELOCATION:          The company will provide relocation assistance in
                     accordance with the attached company requested transfer
                     policy.

COMPANY CAR:         A leased company car will be  provided to you for  business
                     related travel according to company policy on your start
                     date.

SEVERANCE:           In the  unexpected  circumstance  that your  employment  is
                     terminated for any reasons other than for Cause (as defined
                     in the enclosed Level A Agreement)or  voluntary termination
                     by you,  you will  qualify for salary  continuation  (i.e.,
                     severance pay), as described below,

                    (i)  for  9  months  following  termination  date,  if  such
                         termination  occurs  during the first three years after
                         your employment commencement date; and

<PAGE>


                                EMPLOYMENT OFFER


SEVERANCE:          (ii) for  6  months  following  termination  date,  if  such
                         termination occurs thereafter.

                    Your  severance  pay in  either  case  will  be  subject  to
                    dollar-for-dollar reduction for cash amounts received by you
                    or accrued for your benefit from any  successor  employer or
                    other entity that pays you for services rendered during that
                    period.