Bond It B2 Gun Grade Expanding PU Polyurethane Foam Fill & Fix Gap Filler Multi Purpose Aerosol Cleaning Fluid 750ml

Bond It B2 PU FOAM is a one-component polyurethane assembly foam, and is based on a moisture curing polyurethane prepolymer. A fast setting, multi‐purpose PU foam which bonds, fills, seals and insulates most construction materials, which has a reaction to fire rating of class B2. The fresh foam adheres to most common building materials including wood, concrete, stone, plaster, metal, PVC and polystyrene, however it will not stick to surfaces such as polyethylene, Teflon, silicone, oil and grease and similar substrates. Foam does not shrink after curing keeping the risk of deformation of joints and separation from the surface minimal. Installation of window, door frames and entrance door linings.