fischer Expanding Hand Foam, Yellow, 750 ml (Pack of 1)

General description Fischer general purpose foam B3 is ideal for filling various construction applications, including sealing cavities around windows, doors, masonry/blockwork, timber frames, and cladding, while also enhancing acoustic insulation. Technical specifications Type: General purpose foam Application: Sealing and filling Hardening method: Chemical reaction upon exposure to atmospheric humidity Note: This product is not a fire retardant foam.