Expanding Foam Polyfilla is ideal for filling & sealing awkward gaps hollows & cavities. It shoots liquid foam deep into cavities, creating a long lasting seal, which insulates against heat, sound & moisture. Suitable for inside or out, it can be easily trimmed & sanded ready to be painted, filled or plastered. Contains a CFC
- free propellant TOOLS REQUIREDGloves, water spray, knife