Special characteristics Soudafoam Flex is a standard elastic, low expansion PU gun foam with very high elastic recovery. The elastic 1k PU foam follows joint movements, does not tear, and thus guarantees its thermal and acoustic insulating properties for many years. High dimensional stability (no shrinkage or post-expansion) High filling capacity High insulation value, thermal and acoustic Excellent assembly properties Very precise dosing Low expansion Elastic and compressible CFC-free (harmless to ozone layer and greenhouse effect) Fast curing Not UV resistant Applications All foam applications in static and non-static joints. Installation of windows and doors. Filling of cavities. Sealing of all openings in roof constructions. Applying a sound-absorbing layer. Optimising insulation in refrigeration technology. Included as standard Soudafoam Flex Gun 750ml