Hart & Cooley offers flexible duct products for both residential and commercial applications, that provide the most economical solution to your air-handling needs. Hart & Cooley uses Formaldehyde-Free insulation for improved indoor air quality. Available in boxes or banded bags. Custom lengths available. Polyethylene Jacket Air Ducts These feature a durable, scuff-resistant black polyethylene vapor barrier that provides improved protection against damaging ultra-violet light. Installation is made easy with the reinforcing fiberglass yarn scrim, which acts as a rip- stop and helps prevent tearing. These air ducts feature an R-value of 4.2, 6.0 or 8.0 to fit any application, and also come in special configurations especially designed for manufactured homes. Metalized Jacket Air Ducts Providing the ultimate in strength and protection, metalized polyester vapor barriers are reinforced with fiberglass scrim to provide high durability and tear resistance. The fiberglass insulation furnishes outstanding thermal protection with R-values of 4.2, 6.0 or 8.0. The metalized jacket air duct and sleeves are available with either a two-ply black polyester core (Residential Series) or high-pressure multi-ply metalized polyester laminate cores (Commercial Series) that encapsulate a high carbon steel wire helix. Economical Air Duct Connectors Designed for high pressure applications, air duct connectors utilize either a multi-ply metalized/polyester laminate encapsulating a high carbon steel wire helix or corrugated aluminum for maximum strength and durability. Click Here for a Hart & Cooley US Rep.