Soudal Champagne Gap Filler. 750ml high yield polyurethane expanding foam filler. Gap filling formulation with optimised 3D expansion. Fills 50% more volume than standard SOUDAFOAM GAP FILLER. Easy to use, one component. Rapid curing. Excellent thermal and acoustic insulation properties. Primerless adhesion on most construction materials. General purpose gap filling: pipe penetrations, insulation and roofing materials and general construction. Extra high yield. Acoustic rating ISO 717-1: 58 dB. Thermal conductivity DIN 52612: 37mW/mK, Application temperatures: +5C to +30C.