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

• Ready to use, no mixing required
• Tack-free in approximately fifteen minutes
• Durable caulk with heat resistance up to two thousand degrees Fahrenheit

Product Highlights

This sealant meets International Building Code (IBC) and International Residential Code (IRC) fireblocking requirements. It also offers excellent adhesion, bonding to a variety of materials like concrete, brick, metals, and plastics.