Polycell Expanding Foam Polyfilla is ideal for filling and sealing awkward gaps, hollows and cavities. It shoots liquid foam deep into cavities, creating a long lasting seal, which insulates against heat, sound and moisture. Suitable for internal or external use, it can be easily trimmed and sanded ready to be painted, filled or plastered.

Contains a CFC - free propellant.

Size: 825ml.