EVERBUILD® B1 Gun Grade Fire Foam is a quick-setting, fire-rated, one-part polyurethane foam. It expands on application to yield up to 50 times the can contents and meets the extremely stringent requirements of the test criteria DIN 4102 Part 1 for Construction Materials; Class B1 and BS 476 Part 20. Fire rated up to 4 hours in certain joint configurations. For use with an Everbuild® Professional Foam Gun; once cured the foam can be cut, sawn or plastered over after only one hour.
- High degree of fire rating: slows down the passage of flames and smoke.
- Quick setting – can be cut, sawn or plastered in 1 hour.
- Economical in use – expands up to 50 times its original can volume.
Usage
Filling
- Gaps around pipe entries through fire rated walls
- To provide a fire-rated seal around window and door frames
- Electrical wire chasing prior to plastering, where a fire rating is required.
- Deep joints prior to applying sealant or plaster
- Irregular gaps in stone, brick, concrete or plaster
Fixing Â
- Door frames
- Timber structures
- Windowsills and thresholds
- Window frames
Insulating
- Behind cladding to exterior walls
- Behind soffit and barge boards
Advantages
- High degree of fire rating: slows down the passage of flames and smoke.
- Quick setting – can be cut, sawn or plastered in 1 hour.
- Economical in use – expands up to 50 times its original can volume.
- Fills irregular and broad gaps where most conventional fillers would fail.
- Possesses insulating and sound deadening properties.
Expansion 35 litres (750 ml can) Cell Structure Medium fine Temp Res Of Cured Bead Long Term: -40 °C to +80 oC
