Certified shaft alternative 1- and 2-hour fire-rated duct wrap. Certified for grease ducts to ASTM E 2336 (including ASTM E119 engulfment) in 2-layer systems. Certified for ventilation ducts to ISO 6944 in 1-layer systems and for other key life safety duct applications.
- 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