Foam-in-place fireblock and draftstop for non-rated residential and commercial construction. Meets ASTM E 84 (mod) Class 1 for smoke spread and flame development and has been evaluated by the International Code Council Evaluation Service (ICC-ES) and complies with the International Building Code (IBC) and International Residential Code (IRC) per ICC-ES report ESR-3165.
Tested as a Type V commercial and residential fireblock for non-rated construction. This product is used to help seal, fill, insulate and bond. Also acts as a draftstop to restrict air infiltration. This ready-to-use product expands to more effectively seal penetrations than traditional products that meet the modified ASTM E 814. Not to be used as a firestop in commercial construction.
Thermal insulator ― R-Value of 4 to 5 per inch typical
Ready-to-use (no mixing required)
Tack-free in approximately 5 minutes
Expands to quickly and effectively seal openings
Meets International Building Code (IBC) and International Residential Code (IRC) Fireblocking Requirements
Excellent adhesion—bonds to concrete, brick, metals, wood, plastic and cable jacketing
For use in residential Type V and commercial non-rated construction in areas that require sealing to maintain the integrity of a fireblock. Use 3M™ Fire Block Foam FB-Foam to seal interior construction voids around wires, pipes, cables and other penetrations in non-rated wood or steel-framed construction. May also be used around non-rated framing gaps/voids. Also acts as a draftstop to help prevent unwanted air infiltration.