- Great insulator against heat and cold
- Reduces noise, dust and drafts
- Blocks access by rodents
- Will not shrink
A one-component, multi-purpose expandable polyurethane filler foam that is self-expandable and will not shrink while curing to an airtight, moisture-resistant seal. Bostik 750ml Expand Foam is the ideal size for multiple small to larger filler & sealing jobs.
Ideal uses include, but not limited to filling large holes or gaps, blocking out noise or gusts, keeping out insects or birds, window and door frame insulation or insulating pipes.