This remarkable high pressure insulated flexible duct, Fab 4T consists of a core made from vinyl coated fiberglass cloth which is mechanically locked together by a corrosive resistant galvanized steel helix. The liner is draped with thick fiberglass insulation and covered by a mylar sleeve.
The unsurpassed properties of this ULC-S110 and UL-181 Class 1 product combines the rugged puncture resistant fabric with a highly dependable insulated vapor barrier to create a superior high pressure thermal duct ideal for commercial or institutional HVAC use.
Pressure Rated:
- 25" w.g. positive
- 10" w.g. neg thru 12" dia.
- 5" w.g. neg 14" & 16" dia.
- 1" w.g. neg. 18" & 20" dia
Rated Velocity:
Core:
- PVC Coated Fiberglass Cloth
Vapour Barrier Permeance:
- .05 Perm A.S.T.M. E96 Procedure A
- Duct Rated
Note: This product is compressed by the manufacturer and then packaged for shipping purposes. To reach the specified length, the product needs to be unpackaged and stretched.