Hart & Cooley®

Hart & Cooley® Insulated Sleeve With R 4.2 Insulation, 5 ft L, 1-1/2 in THK, Polyethylene, Domestic

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Hart & Cooley® Insulated Sleeve With R 4.2 Insulation, 5 ft L, 1-1/2 in THK, Polyethylene, Domestic
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Width
  • Features
  • 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