GUN PU-FOAM spray can 750ml Fast-curing polyurethane foam Properties: Shrink-free High filling capacity High insulation value Fire class B2 Can be painted over Water-resistant Chemical-resistant CFC and HCFC-free (ozone friendly) Suitable for: Suitable for insulating, sealing and filling seams, joints, cracks, holes and cracks in, among other things, partition walls, window or door frames, roof boarding, chimneys, dormer windows and penetrations of pipes, conduits, cables and electrical conduits. Adheres to many building materials such as wood, concrete, stone, masonry, plaster, metals, glass and many plastics such as polystyrene, polyester and PVC.