24 in x 25 ft 3M Fire Barrier Duct Wrap 615+

3M™ Fire Barrier Duct Wrap 615+ is the only fire rated duct wrap product you’ll need to help protect grease and air ducts. It is flexible and lightweight for easy installation, and passes the necessary fire tests to achieve two-hour fire resistance requirements. 3M™ Fire Barrier Duct Wrap 615+ is manufactured with a man-made vitreous spun fiber, which allows for low thermal transfer properties in a lightweight, low profile, easy-to-apply product.

Features:
Lightweight (6 lbs/ft3)
Low-profile (1.5 in. thick)*
Fire resistant for 2-hours (meeting fire protection code requirements)
Heat-resistant (up to 2192°F (1200°C))
Flexible for wrapping around corners and obstacles
Product is UL and Intertek (OPL) certified
ASTM E2336 (grease ducts test standard) tested
ISO 6944 (air duct test standard) tested to 1- and 2-hour design listings in single layer systems

*In accordance with the tolerances in ASTM C 892 Standard Specification for High-Temperature Fiber Blanket Thermal Insulation