DULUX PREPAINT EXPANDING FOAM 825ML

It is ideal for filling and sealing large and awkward gaps, hollows and cavities. It creates a long lasting seal, which insulates against heat, sound and moisture. Can be easily trimmed and sanded – ready to be painted, filled or plastered. Reusable nozzle for multiple uses. Expands to 2.5 times the initial volume. Easy to use – excellent results are achieved by the average D-I-Y enthusiast. A bit of skill is required.