
Hart & Cooley®
Hart & Cooley® Insulated Sleeve With R 4.2 Insulation, 5 ft L, 1-1/2 in THK, Polyethylene, Domestic
Select options for complete product description and purchasing information.Item #226246
BrandHart & Cooley®
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- R4.2 F104 formaldehyde free insulation when measured per ASTM C518 at 75 deg F mean temperature based on insulating same duct size
 - Starter cone included in each carton
 - A durable black polyethylene vapor barrier
 - Perm rating of 0.1 perms when measured per ASTM E96 method A
 - Less than 25 flame spread
 - Less than 50 smoke developed
 - Fiberglass insulation has a C factor of 0.23