Bostik 750ml Fill It Expanda Foam

Bostik Fill It Expanda Foam® is a one-component, multi-purpose polyurethane foam that will not shrink and cures to an airtight, moisture-resistant seal. The straw adapter can aid in easy application, especially to fill gaps of all dimensions in the most challenging locations. It's useful for filling large holes or gaps, blocking out noise or gusts, keeping out insects or birds, window and door frame insulation or insulating pipes.