Highlights
Acts as a draftstop to help reduce air infiltration
Durable foam is heat-resistant (up to 240°F/115°C)
Excellent adhesion that bonds to concrete, brick, metals, wood, plastic and cable jacketing
Expands up to 200% in volume to quickly and effectively seal openings
Features minimal shrinkage and sag-resistant formulation to help ensure longevity
Fireblock foam is ready-to-use (no mixing required)
Meets International Building Code (IBC) and International Residential Code (IRC) Fireblocking Requirements
Minimal shrinkage
Tack-free in approximately 5 minutes
Tested as a Type V residential Fireblock to ASTM E 84 (modified)
Thermal insulator foam offers an R-Value of 4-5/inch (25.4 mm) typical
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.
Reliable and Tough Fireblock
We engineered 3M Fire Block Foam FB-Foam as a durable fireblock and draftstop. This product seals, fills, insulates and bonds for non-rated residential and commercial construction. Ready-to-use, this fireblock foam is intended to resist the free passage of flame and by-products of combustion within a concealed space of a floor, ceiling or wall cavity – restricting the movement of air, fire and smoke. This foam is tested as a Type V commercial and residential fireblock to ASTM E 84 (modified) and acts as a draftstop to help reduce air infiltration. This ready-to-use product is heat-resistant (up to 240°F/115°C) and expands up to 200% in volume to effectively seal penetrations.
Recommended Applications
3M Fire Block Foam FB-Foam is used to seal interior construction voids around:
- Wires
- Pipes
- Cables
- Penetrations in non-rated wood or steel-framed construction
- Non-rated framing gaps and voids
Seals and Protects
3M Fire Block Foam FB-Foam has been evaluated by the UL evaluation report ER9700-01 and complies with the International Building Code (IBC) and International Residential Code (IRC). This is a thermal insulator foam that offers an R-Value of 4-5/inch (25.4 mm) typical. In addition, this fireblock foam is tack-free in approximately 5 minutes and features minimal shrinkage and sag-resistant formulation to help ensure longevity. This foam also provides excellent adhesion that bonds to concrete, brick, metals, wood, plastic and cable jacketing.
Strong Fireblocking Solution
3M Fire Block Foam FB-Foam is a tough solution that helps seal, fill, insulate and bond for non-rated residential and commercial construction. Discover the benefits of a fireblock foam that restricts the movement of air, fire and smoke. Enjoy the peace of mind of that comes from a product designed to meet fireblocking codes and requirements.