Joint tape BG1 (600 Pa) is self-expanding pre-compressed sealing tape made of polyurethane foam impregnated with acrylic dispersion, for joints in building and construction, windows, metal constructions, timber houses, etc. It guarantee perfect thermal insulation between the window and the wall. If compressed between the two elements, they can be directly exposed to weather. The provide insulation against wind, draughts, noise, dust and rain.