SOUDAL Fill & Fix foam is a polyurethane based construction foam with excellent thermal and acoustic insulation values for the filling of large gaps and construction openings for the installation of door- and window frames. Excellent stability (no shrink or post-expantion). Expands more than 30 times after extrusion. Excellent bond onto all surfaces (execept PE, PP, PFTE). Can be applied onto moist surfaces. Fitted with a threaded adaptor straw.