4" X 25' Flexible R4.2 insulation Insulated Exhaust Ducting Air Duct BPC-425

Description

4" X 25' Flexible R4.2 insulation Insulated Exhaust Ducting Air Duct BPC-425
Flexible Insulated Ducting
Consists of a flexible helix core made of 2-ply polyester laminate and corrosion-resistant zinc-coated wire, surrounded by a blanket of glass fiber insulation, jacketed by a heavy-duty, fire-retardant black polyethylene vapor barrier. Can be installed in place of galvanized pipe in most applications. Due to its flexible nature, the need for elbows is eliminated, allowing for ease of installation in difficult to reach areas. It cuts easily with a knife and snips. The insulation blanket and vapor barrier jacket help reduce heat loss and condensation build-up. Applications include: heating, air conditioning, exhausting, dryer venting, and fresh air intakes. Temperature range: -20 deg. F. Velocity: 6000 FPM (feet per minute). C value: 23 min. UL (Underwriters Laboratories) and ULC (Underwriters Laboratories of Canada) approved as a Class 1 air duct. R4.2 insulation. Please check local codes for permitted uses.
Purchase is for 1 25' air duct.
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