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Everbuild Fire Foam B1 Hand Grade Aerosol 750ml

£11.23

Everbuild firefoam B1 is a quick setting one-part polyurethane foam with fire retardant properties. The foam expands on application to up to 50 times its original volume and meets the extremely stringent requirements of DIN 4102 Part 1 for Construction Materials; Class B and BS476 Part 20 (1987) where fire ratings of 30 mins to 3.5 hours are achievable.

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Description

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 in comparison to standard B3 grades. Quick setting – can be cut, sawn or plastered in 1-hour is economical in use as it will expand up to 50 times its original volume. Ideal for 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 also irregular gaps in stone, brick, concrete or plaster.