Strong polyester film laminated and encapsulating a heavy, corrosion resistant steel wire helix, forms the inner core. And supports a thick blanket of fiberglass insulation over a fiberglass scrim. The outer vapor barrier is a jacket of durable black polyethylene.
Product Depth (in.) |
31 |
Product Diameter (in.) |
6 in |
Product Height (in.) |
12.25 |
Product Length (in.) |
300 |
Product Width (in.) |
12.25 |
Color |
Black Jacket |
Insulated |
Yes |
Insulation R-Value |
8.0 |
Insulator material |
Other |
Material |
Fiberglass |
Maximum air flow (CFM) |
770 |
Returnable |
90-Day |
Certifications and Listings |
1-UL Listed |