FAQs

No, packers do not need to be covered with FAS Fire Door Foam™, provided they are installed correctly. Plastic or timber packers can remain exposed as long as they are fitted flush with the edge of the door frame or cut back level with the frame edge. This allows the fire door sealing system to be installed in accordance with the tested configuration. Always refer to the relevant installation guidance, certification and fire test evidence to ensure compliance with the specified fire door assembly.

No, FAS Fire Door Foam™ does not require specialist packers or fixings. The product has been specifically tested for use with plastic packers and standard screw fixings as part of a tested fire door installation system. Timber packers and MDF packers may also be used where required. Always ensure the installation is carried out in accordance with the relevant fire test evidence, certification and installation guidance to maintain the fire performance of the door assembly.

Yes, FAS Fire Door Foam™ is NHBC approved for use in fire door installation applications. The product is also specified and mandated by multiple national housebuilders and building developers for the installation of fire doors, reflecting its suitability for use within tested fire door systems. Designed specifically for sealing gaps between fire door frames and surrounding walls, FAS Fire Door Foam™ provides a fast and effective fire-stopping solution for residential and commercial construction projects.

Always refer to the relevant certification, installation guidance and project specifications to ensure compliance with the requirements of the fire door assembly.

No, there is no need to cap with mastic for fire ratings of up to 60 minutes. Our Fire Door Foam™ is also tested for smoke.

Yes, timber packers can be used with FAS Fire Door Foam™. The product has been tested for use with both plastic packers and timber packers as part of a fire door installation system. Where timber packers are used, they should be of an equal or greater density than the door frame to ensure compatibility with the tested installation method. Always follow the relevant installation guidance, certification and fire test evidence when installing fire door frames and fire stopping products.

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.