Fire Rated Seals

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Ultrafab Specialty Products’ innovative and cost-effective custom brush seals have successfully passed the requirements for a UL 94-V0 fire-rating at a UL certified independent testing laboratory.

Our fire resistant door seals provide a quality sealing solution where compliance for flammability due to industry regulation or working conditions is required. These products are now offered with UL 94-V0 rated adhesive.


Seals are typically used in the following applications:

  • Dust Seal / Particulate Separation
  • Air Flow Reduction
  • Sound / Vibration Dampening
  • Light Sealing
  • Debris Removal and Filtration

Available in the following standard backing widths: .189″ and .270″

Materials Classifications** UL 94V-0*
Afterflame time for first flame application for each specimen max 10 seconds
Total afterflame time for all 5 specimens after first and second flame application max 50 seconds
Afterflame or afterglow of any specimen up to the holding clamp allowed No
Cotton indicator ignited by flaming particles or drops No

* Ultrafab fire rated products are not UL listed or certified at this time. Products have been tested at a UL-certified independent testing facility and have passed the requirements necessary to be in compliance with UL 94V-0. It is the responsibility of the end user to determine the specific fire rating and product performance required to be in compliance with whatever codes or regulations their intended design must adhere to.

** Complete test report available upon request.

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