OSI Fire Block Foam is a single component, low-pressure minimal expanding polyurethane foam packaged in a pressurized metal container. Product is designed specifically for use Type VA, occupancy group R3 and R5 (wood frame) buildings, to seal openings in concealed spaces to resist the migration of fire and hot gases. The Fire Block foam cures upon reaction with moisture to form a flexible, urethane foam that is effective against the passage of smoke and toxic gases through service penetrations. Foam adheres to most types of building materials including wood, concrete, brick, metals, cable jacketing; and will not harm PVC, CPVC and PEX pipe/tubing. It complies with all Federal and State VOC regulations.

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Details

High performance foam designed to inhibit the passage of fire and smoke through penetrations
Tested to UL 723 in accordance with ASTM E84
Tested in accordance with ASTM E814 (modified)
Conforms to IRC (International Residential Codes) and IBC (International Building Code), fire blocking requirements
Closed Cell Structure is flexible and will not crack or dry out
Orange color identifies OSI® Fire Block as an approved fire block product for Type V-A construction

Additional Information

Manufacturer: OSI

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