The Alpha Chem B1 (Rated 4Hr) Fire Foam Expanding Foam Hand Held 750ml Can is a hand-applied expanding polyurethane foam designed to help seal gaps and penetrations where a fire-rated seal is required. It expands to fill voids around frames, joints and service openings while also providing insulation and smoke resistance.

Key Features

• B1 fire-rated foam
• Up to 4 hour fire resistance
• Hand-held 750ml can
• Expands to fill gaps and voids

Uses

• Sealing gaps around door and window frames
• Filling service penetrations in fire-rated walls
• Closing voids around pipes and cables
• Reducing air leakage and smoke passage