3M™ Fire Block Sealant FB 136 is a versatile, one component, water-based, non-combustible draft, smoke and fireblocking sealant, designed to resist high temperatures and smoke passage in non-rated construction. Gray colour, no mixing required.
3M™ Fire Block Sealant FB 136 will bond to concrete, brick, metals, wood, plastic, and cable jacketing. This product can be installed with a standard caulking gun or it can be easily applied with a putty knife or trowel. 3M™ Fire Block Sealant FB 136 meets current International Building Code (IBC), International Residential Code (IRC), International Residential Mechanical Code, International Fuel Gas Code and NFPA 5000 draft, smoke and fireblocking requirements. 3M™ Fire Block Sealant FB 136 meets ASTM E 136 noncombustibility requirements.