Polycell Expanding Foam Polyfilla - 500ml 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 inside or out, it can be easily trimmed and sanded ready to be painted or plastered. Contains a CFC-free propellant. Shoots liquid foam deep into cavities Expands to make a long-lasting seal Ideal for filling and sealing awkward gaps, hollows and cavities Can be painted over, filled or plastered
