Great Stuff Pro Gun Foam Filler 750ml

A one component, moisture curing, polyurethane foam. It seals, fills, bonds and insulates most construction materials and cures to form a tough, resilient and long lasting semi rigid cellular structure. Ready to use, fast curing, high performance, one component material Self moulding to surface irregularities For internal and external applications Gives effective insulation against damp and draught and is completely water resistant