Soudal Gap filling expanding foam is a PU-based insulation and filling expanding foam which forms a permanent airtight and waterproof bond to practically all building materials such as brick, concrete, PVC, timber, insulation materials, pipes , cables, ducts, metals and many other plastics (except PP, PE, PTFE and silicone).
Excellent adhesion on most substrates (except Teflon, PE and PP)