Expanding polyurethane foam adhesive for bonding, filling, soundproofing and insulating. Available in gun version (MAPEPUR ROOF FOAM G) for use with a standard MAPEPUR GUN and hand-held spray can version (MAPEPUR ROOF FOAM M). TECHNICAL DATA: Free expansion: up to 45 litres. Insulating capacity MAPEPUR ROOF FOAM G: 0.036 W/(m K). Insulating capacity MAPEPUR ROOF FOAM M: 0.039 W/(m K). Soundproofing capacity: 58 dB. Tensile strength: 1.2 kg/cm². Full hardening time: 1.5/5 hours. Colour: grey. Packaging: 750 ml spray can.