Expanding polyurethane foam adhesive for filling, insulating and soundproofing. Certified fire resistant up to EI 240. Available in hand-held spray cans (MAPEPUR ROOF FOAM M). TECHNICAL DATA: Free expansion: up to 45 litres. Insulating capacity MAPEPUR FIRE FOAM M: 0.039 W/(m K). Soundproofing capacity: 58 dB. Resistance to fire: EI 240 (joints up to 20 mm). Full hardening time: 1.5/5 hours. Colour: pink. Packaging: 750 ml spray can.