Material ASTM-A653 CS Type B Galvanized Steel, G-30 Coating LFQ Chemical Treatment
Assembly Ceiling boot assembled with C-115 2/16″ zinc coated steel rivets, has a rectangular opening with a 1″ 90 deg outboard flange and 1/2″ drywall flange. The collar is 3½” tall roll formed 30GA steel with 1/4″ roll formed beading.
Insulation Knauf Equipment Liner M with ECOSE® Technology Available Thickness: R4 – 1″, R6 – 1½”, & R8 – 2″
Knauf Equipment Liner M with ECOSE® Technology Available Thickness: R6 – 1½”
ASTM C 1071, Type I, Flexible (replaces obsolete Federal Specification HH-I-545B.) NFPA 90A/90B, ASTM C 665/1617 Temperature Range (ASTM C 411), Microbial Growth (ASTM C1338, G21)
Options 507DB: Duct Board top (SuperDuct RC top only) 507NF: No Flange 507E: End Outlet