FAQs

Architraves are optional, Fire Door Foam™ has been tested with and without.

FAS Fire Door Foam™ has a shelf life of up to 18 months when stored unopened in recommended conditions between 5°C and 30°C. To maintain the performance of the fire-rated expanding foam, cans should be stored in a cool, dry environment and protected from excessive heat, frost and direct sunlight. Correct storage helps ensure the product performs as intended for fire door installations, perimeter gap sealing and fire stopping applications.

A 750ml can will seal 3-4 single doors within a standard structural opening (10mm x 70mm void).

Yes, Fire Door Foam™ has sound reduction capabilities of up to 60 dB Rw.

Yes, FAS Fire Door Foam™ can be used in applications where smoke control is required. The product has smoke leakage test evidence in accordance with BS EN 1634-3: 2004, demonstrating its suitability for use as part of a tested fire and smoke sealing system. In addition to providing fire resistance around fire door frames, FAS Fire Door Foam™ helps maintain compartmentation by restricting the passage of smoke through perimeter gaps between the door frame and surrounding wall. Always refer to the relevant certification, test evidence and installation guidance to ensure the product is suitable for your specific fire door application.

FAS Fire Door Foam™ provides a faster and more cost-effective alternative to traditional fire door installation methods that use stone mineral fibre wool and fire-rated mastic. Designed specifically for sealing gaps between fire door frames and surrounding walls, the fire-rated expanding foam helps reduce installation time while maintaining tested fire performance.

Compared with traditional mineral wool and mastic systems, FAS Fire Door Foam™ can help simplify installation, reduce labour time and improve efficiency on site. It is also compatible with standard plastic and timber packers and has been tested for use in fire door assemblies.

Alternative methods for sealing perimeter gaps around fire door frames include:

• Stone mineral fibre wool with fire-rated mastic
• Fire-rated acrylic sealants
• Other tested fire-stopping systems approved for fire door installations

When selecting a fire-stopping solution, always ensure the product has been tested and certified for use within the specific fire door assembly and application.

Yes, FAS Fire Door Foam™ has been fire tested for use with and without architraves as part of a tested fire door installation system. This provides flexibility when installing and finishing fire door frames, allowing the product to be used in a variety of fire door applications whilst maintaining the tested fire performance of the assembly. Always ensure installation is carried out in accordance with the relevant certification, fire test evidence and installation guidance.