- Convenient to use one pack system
- Fast curing
- Strong adhesion to most surfaces
- Expands up to two and a half times after application
- Can be cut, trimmed, sanded, plastered and painted over
Polyfilla Expanding Foam is a one component, self-expanding, ready to use polyurethane foam filler. After extruding from the can, Polyfilla Expanding Foam further expands while curing to a semi-rigid closed cell foam. It provides a fast, convenient and economical means of filling large, irregular shaped gaps, hollows and cavities in buildings to block draughts, dust, noise, insects and birds.