Everbuild Fix & Fill Expanding Foam Filler 750ml is a quick-setting polyurethane-based foam that expands greatly on application, ideal for filling gaps, sealing air leaks, and insulating. It comes in a convenient 750ml aerosol can and can be cut, sawn, or plastered after only one hour. This one-part polyurethane foam expands up to 150% of its original volume, making it ideal for filling irregular gaps, cracks, and holes around pipes, windows, doors, and frames. It cures quickly and can be trimmed, sanded, or plastered after one hour. The foam expands on application to up to 50 times its original volume. Once cured, the foam can be cut, sawn or plastered over after only one hour. It possesses insulating and sound deadening properties. Areas of use include filling gaps around pipe entries through walls, gaps around window and door frames, electrical wire chasing prior to plastering, deep joints prior to applying sealant or plaster, and irregular gaps in stone, brick, concrete or plaster. It is also suitable for fixing door frames, timber structures, window sills and thresholds, and window frames. Additionally, it can be used for insulating behind cladding to exterior walls, behind soffit and barge boards, and in automotive applications.