TESTED PERFOMANCE: Tested to ASTM E84 (modified) as a Type V Residential Fireblock
DURABLE POLYURETHANE FOAM: Heat resistant up to 240°F (115°C)
VOLUME EXPANDING PROPERTIES: Expands up to 200% in volume upon dispensing to quickly and effectively seal openings
INHIBITS AIR CIRCULATION: Draftstop—helps reduce air infiltration
READY TO USE IMMEDIATELY: Fireblock foam is ready-to-use (no mixing required)
For industrial/occupational use only. Not for consumer sale or use
Description
3M Fire Block Foam FB-Foam is a fireblock and draftstop used to help seal, fill, insulate and bond for non-rated residential and commercial construction. This foam-in-place fireblock is heat-resistant (up to 240 °F/115 °C) and meets ASTM E84 (mod) Class 1 for smoke spread and flame development. This fireblock foam is ready-to-use and tack-free in approximately 5 minutes.