LASTOFOAM GUN Β1 PU FIRE FOAM - ΝΕΤ

Slow burning polyurethane foam (class B1 according to DIN 4102) for filling voids, cracks and openings. Fire resistant, prevents fire from spreading. It has excellent adhesion to all substrates except polyethylene, polypropylene and Teflon. Resistant to water and aging, but sensitive to UV radiation. Provides excellent insulation. Expansion up to 45 liters per box. Does not shrink after curing. Suitable for installing fire doors and windows. It is suitable for filling and fixing in areas with slow burning materials being used/installed. At least 12 months in storage areas with normal temperature and humidity.