3M™ Fire Barrier Duct Wrap 615+ FBW3M40

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Lightweight. Flexible. Protective. The only fire-rated duct wrap product you’ll need to help protect grease and air ducts.
Certified for grease ducts to ASTM E 2336 (including ASTM E 119 engulfment) in 2-layer systems.
Certified for ventilation ducts to ISO6 944 in 1-layer systems and for other key life- safety duct applications.
Also used to achieve T-ratings for metallic penetrations
Tested and listed with UL and Intertek (OPL), meets the intent of IBC, IMC, UMC, NFPA and other key life safety codes
Listed by California State Fire Marshal (Listing No. 2440-0941:5555) ICC-ES Evaluation Report ESR-1255
Lightweight (6 lbs. per cu. ft.) and thin (1-1/2 in. — in accordance with ASTM C 892 tolerances) for easier application
Heat-resistant (up to 2,192°F)
Flexible for wrapping around corners and obstacles Non-asbestos wrap
Available in 1-1/2 in. x 24 in. x 25 ft. roll, or 1-1/2 in. x 48 in. x 25 ft. roll

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