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At last, an expanding foam with a 2 year shelf life and the best bit, you don't have to throw it away if you don't use it all. When you clean the valve with Foam Cleaner the canister can be used time after time for the next 30 days. Polyurethane Expanding Foam or PU foam expands to anywhere between 100 and 150% of its original volume.

Once PU foam has cured it can be sawn, cut and even plastered over. It can be used for filling irregular gaps in stone, brick, concrete and plaster, gaps around pipes entries and exits in walls, gaps around window and door frames, deep joints prior to plastering. PU foam can also be used in the following applications: Insulating behind cladding to exterior walls, behind soffits and barge boards, automotive applications (commonly behind bumpers and door panels).