Product Description
3M Fire Barrier Duct Wrap 615+ is a fire wrap for grease ducts and air ducts.
- Lightweight (6 lbs per cu ft) and thin (1.5″ – in accordance with the tolerances in ASTM C 892) for easier application
- 2-hour fire protection
- Third-party certified to ASTM E 2336 (grease duct test standard) and ISO 6944 (air duct test standard)
- Tested and listed with UL and Intertek, meets IBC, IMC, UMC, NFPA and other key life safety codes
- Listed by California State Fire Marshal (Listing No. 2440-0941:5555)
- Supports maximum temperatures of up to 2192°F (1200°C)
- Apply in 2 layers for grease ducts
- Apply in 1 layer for air ducts