Everbuild B2 Fire Foam Adhesive( 750ml) is a one part polyurethane foam with fire resistant properties that expands up to 50 times its volume on application and sets quickly – ready to be cut, sawn, or plastered after just one hour.
The foam features a high fire rating degree, ideal for providing a fire rated seal for gaps around window and door frames or pipe entries, electrical wire chasing, deep joints, and irregular gaps in masonry and plaster.