3 ½” Tall with Bottom Flanged

Material
ASTM-A653 CS Type B Galvanized Steel, G-30 Coating LFQ Chemical Treatment

Gauge
30GA
28GA 14X8 and above

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: 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
525R6G: With fire retardant polyethylene foam double stick 3M Tape UL94 HF-1