Fire Rated Expanding Foam is a polyurethane based product which sets into its elastic form by using moisture present in the atmosphere. It is suitable for filling gaps around window and door frames, backfilling around service penetrations and filling irregular or awkward gaps. Pyroplex Fire Rated Expanding Foam expands up to 40 times its original volume.
Fire Rated Expanding Foam is fire rated up to 2 hours and offers excellent adhesion to many common building substrates and once cured the foam can be cut, sawn, painted or plastered over.