3M Fire Block Sealant FB 136, Gray, 10.1 fl oz Cartridge, 12/Case

• Acts as a draftstop to help reduce air infiltration
• Durable caulk is heat-resistant (up to 2000°F/1093°C)
• Excellent adhesion that bonds to concrete, brick, metals, wood, plastic and cable jacketing
• FB-136 is ready-to-use (no mixing required)
• Features minimal shrinkage to help ensure longevity
• Meets International Building Code (IBC) and International Residential Code (IRC) Fireblocking Requirements
• Sealant requires no special handling for routine disposal
• Tack-free in approximately 15 minutes
• Tested as a Type V residential Fireblock to ASTM E 84 (modified)
• Thermal insulator offers an R-Value of 4-5/inch (25.4 mm) typical
• Thixotropic material resists sag or run in vertical or overhead applications

3M Fire Block Sealant FB 136 is a one component, non-combustible draft, smoke and fireblocking sealant, designed to resist high temperatures and smoke passage in nonrated construction. Use 3M Fire Block Sealant FB 136 to seal interior construction voids around wires, pipes, HVAC ducts and vents, in wood or steel framed non-rated construction.

Reliable and Tough Fireblock
We engineered 3M™ Fire Block FB 136 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 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 fireblock 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).

Recommended Applications
3M™ Fire Block FB 136 is used to seal interior construction voids around:

• Wires
• Pipes
• HVAC ducts
• Penetrations in non-rated wood or steel-framed construction
• Non-rated framing gaps and voids
• Seals and Protects 

Seals and Protects
3M™ Fire Block FB 136 has been evaluated by the UL evaluation report ER9700-01 and complies with the International Building Code (IBC) and International Residential Code (IRC). This fireblock is tack-free in approximately 15 minutes and features minimal shrinkage and sag-resistant formulation to help ensure longevity, plus a halogen-free formula. This fireblock also provides excellent adhesion that bonds to concrete, brick, metals, wood, plastic and cable jacketing.

Strong Fireblocking Solution
3M™ Fire Block FB 136 is a tough solution that helps seal, fill, insulate and bond for non-rated residential and commercial construction. Discover the benefits of a fireblock 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 Sealant FB 136 is a reliable choice for fireblocking needs. This gray sealant comes in a 10.1 fl oz cartridge, making it easy to apply and handle. Its ready-to-use formula means no mixing is required, saving time on the job.

Designed specifically as the FB 136 model, this sealant is part of 3M’s trusted line of fire protection products. It’s ideal for sealing gaps and voids in both residential and commercial non-rated construction.

Heat-Resistant Durable Sealant

This sealant withstands high temperatures, rated heat-resistant up to 2000°F (1093°C). Such durability ensures it maintains its integrity even under extreme heat conditions, providing lasting protection.

Its durable caulk formulation bonds well to various materials including concrete, brick, metals, wood, plastic, and cable jacketing. This versatility makes it suitable for many construction applications.

Effective Draftstop Performance

The FB 136 acts as a draftstop to reduce air infiltration, helping improve energy efficiency and indoor air quality. This feature is essential for controlling airflow in walls, ceilings, and floors.

Its thixotropic nature prevents sagging or running in vertical or overhead applications, ensuring a neat and effective seal every time. This makes it practical for use around wires, pipes, and HVAC ducts.

Convenient Cartridge Format

Packaged in a 10.1 fl oz cartridge, the sealant is easy to dispense and apply precisely where needed. The cartridge format supports efficient use and reduces waste on the job site.

Sold in cases of 12 cartridges, this pack size is ideal for contractors and professionals who require multiple units for larger projects or ongoing work.

Code-Compliant Fireblocking Solution

The 3M Fire Block Sealant FB 136 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 and safety.

This sealant becomes tack-free in about 15 minutes and features minimal shrinkage, helping maintain a long-lasting seal. Its halogen-free formula adds an extra layer of environmental consideration.