Soudafoam Exp Foam – Gap Filler – Gun Grade – 750ml B3
GunGrade Soudafoam B3 Soudafoam expanding foam is a one-component, easy to use, rapid curing foam. Soudafoam B3 expands 30 to 40 times its initial volume. B3 Fire Class. This foam is for applications such as thermal and acoustic insulation around doors and window frames, pipe penetrations, insulation, roofing materials and general construction.