Triple Lock insulated aluminum flex duct with a polyethylene vapour barrier - Class 1 air duct/connector. T/L-T is manufactured by using a dead soft aluminum strip, spirally wound and mechanically joined together with an inner duct that is covered with a thick fiberglass insulation and a flame retardant, non-toxic polyethylene vapour barrier. This top rated ULC-S110 and UL-181 Class 1 product is an excellent insulated air duct for most energy efficient heating and cooling systems.
Insulated Pressure Rated
10” w.g. positive thru 16” Dia.
6” w.g. positive, 18” Dia.
12” w.g. negative, thru 16” Dia.
4” w.g. negative, 18” Dia.
Vapour Barrier Permeance
.10 Perm A.S.T.M. E96, Procedure A
Operating Temperature Range:
–20°F to +250°F Flame/Smoke 25/50 UL 181 Class 1
Thermal Resistance: R-4.2, R-6.0, R-8.0