3M Fire Block Foam FB-Foam, Orange, 12 fl oz, 12 Can/Case

• 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.

Trusted 3M Fire Block

The 3M Fire Block Foam FB-Foam is a reliable fireblock and draftstop designed for non-rated residential and commercial construction. This orange foam comes in a 12 fl oz size and is sold in a 12 can case, making it easy to stock for multiple projects.

Its ready-to-use formula requires no mixing and expands up to 200% in volume to quickly seal openings. This model offers excellent adhesion to various materials, including concrete, brick, metals, wood, plastic, and cable jacketing.

Effective Heat Resistance

This 3M Fire Block Foam FB-Foam withstands heat up to 240°F (115°C), providing durable protection where fire resistance is critical. Its heat-resistant nature helps restrict the passage of flame and combustion by-products within concealed spaces.

Ideal for sealing penetrations in walls, ceilings, and floors, the foam acts as a draftstop to reduce air infiltration while maintaining its integrity under elevated temperatures.

Convenient 12 Can Case

Packaged as a 12 can case, the 3M Fire Block Foam FB-Foam offers convenience for contractors and builders needing consistent supply. Each can contains 12 fl oz of foam, suitable for multiple sealing applications.

This format supports efficient project management by providing enough product for larger jobs or multiple smaller tasks without frequent reordering.

Strong Seal and Insulation

The foam provides an R-Value of 4-5 per inch (25.4 mm), offering thermal insulation alongside fireblocking. It features minimal shrinkage and a sag-resistant formulation, ensuring long-lasting seals that maintain performance over time.

Its tack-free surface develops in about 5 minutes, allowing for quick handling and further work. This combination of sealing and insulating properties makes it a versatile choice for construction needs.

Code Compliant Fireblock Solution

3M Fire Block Foam FB-Foam meets International Building Code (IBC) and International Residential Code (IRC) fireblocking requirements. It’s tested as a Type V residential fireblock to ASTM E 84 (modified), ensuring compliance with safety standards.

This foam is suitable for sealing around wires, pipes, cables, and penetrations in non-rated wood or steel-framed construction, providing peace of mind with a code-approved product.