Description EVERBUILD® B2 GunGrade Fire Foam is a quick setting one part polyurethane foam with fire resistance properties. The foam expands on application 1.5 – 2 times its original volume. Once cured, the foam can be cut, sawn or plastered over after only one hour providing the working temperatures (can and surfaces) are between 5oC to 25oC, ideally 20oC. Uses Filling Gaps around pipe entries through walls Gaps 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 Door frames Timber structures Windowsills and thresholds. Window frames Insulating Behind cladding to exterior walls. Behind soffit and barge boards Benefits 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. Economical in use -expands up to 50 times its can volume. Fills irregular and broad gaps where most conventional fillers would fail. Possesses insulating and sound deadening properties.
