Unibond WhiteTeq Expanding Foam 500ml is a new generation of polyurethane-based insulating foam. WhiteTeq is a white polymer foam based on purified and concentrated ingredients. It expands to fill, seal and insulate gaps and cracks inside or out with high durability, a pure, long-lasting white colour, and a 4x denser structure compared to conventional foam. It is designed to stick to wood, concrete, stone, plastic, and metal, providing a paintable and waterproof finish. The filler also helps to protect against deformation of window and door frames with the added benefit of providing thermal and sound insulation. Suitable for indoor and outdoor use, it\'s touch dry in 6-8 minutes and fully cured in 1 hour, to provide 25% more flexibility. Product benefits at a glance: It expands to fill, seal and insulate gaps and cracks inside or out. Sticks to wood, concrete, stone, plastic, and metal. 10x higher UV resistance. Provides ultimate durability in all conditions. WhiteTeq new generation of polyurethane-based insulating foam sealant.