Soudafoam Window & Door XTRA - Gun Grade' is a High Quality, HIGH YIELD Gun Grade Polyurethane Expanding Foam which contains propellants that are NOT harmful to the ozone layer. Gap Filling Formulation with optimised 3D Expansion, fills 50% MORE than Standard Soudafoam Gap Filler. 'Soudafoam Window & Door XTRA' has excellent thermal and insulation properties with primerless adhesion on most construction materials. Applications: General Purpose Gap Filling Filling of Cavities. Filling Round Pipe Penetrations, Insulation and Roofing Materials Apply of an Acoustic Baffle Properties: Polyurethane Foam Filler Extra High Yield High Filling Capacity Good Adhesion on all Surfaces (Except PE, PP and PTFE). High Insulation Value, Thermal and Acoustic. Very Good Bonding Properties. Fast Curing Volume Yield FEICA TM1002 - 750ml Cannister: Approx 51 Litres Acoustic Rating ISO 717-1: 58dB Thermal Conductivity DIN 52612: 37mW/mK Application Temperatures: +5ºC to +30ºC Storage Conditions: Store in a cool dry place.