Fire rated duct wrap for code required protection of grease and air ducts. In a lighter weight, 6pcf* density, it is certified, according to ASTM E 2336 (grease duct test standard), in two layer systems and ISO 6944 (air duct test standard) in single layer systems. The product is certified with both UL and Intertek† (OPL) and has 1 and 2 hour design listings.
*pounds per cubic foot
†formerly Omega Point Laboratories