B2 Expanding PU Foam

B2 rated, quick curing polyurethane foam filler. The cured foam is a good temperature and sound insulator, and has strong adhesive properties. Features & Benefits: B2 Fire Rating according to DIN 4102-1 - Low curing pressure - High thermal and acoustic insulation value - Good volume expansion for effective filling . Supplied in aerosol and gun grade versions. The fresh foam adheres to most common building materials including wood, concrete, stone, plaster, metal, PVC and polystyrene. Areas of Application: installation of window and door frames and entrance door linings (where a clean and controlled backfill is required) - filling of holes - insulation of penetrations - sealing of thermal and acoustic insulation boards - sealing and connection of joints - reducing the impact of thermal bridges.