Double Wall Insulated Rectangular Duct

Rectangular double wall duct product pages. Indoor pre insulated round and flat oval solutions give your round and flat oval ductwork the increased performance with thermaduct s inspiral r and floval duct systems. From 1992 nme installed cost of insulated medium pressure rectangular duct at 6 88 ft2 versus 6 52 comparative cost for installed double wall round spiral duct 3 35 ft2 installed single wall round spiral x 2 3 double wall mark up x 0 92 ft2 adjustment x 0 92 duct sealing adjustment.

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Double wall insulated rectangular duct.

Houston texas 77029 phone. Double wall duct and fittings mcgill airflow s rectangular k27 duct and fittings provide exceptional noise and thermal control in air handling systems. This double wall insulated ductwork is constructed of a solid metal outer pressure shell and a metal inner liner with a layer of insulation sandwiched between. Specifications for rectangular double wall duct fittings sheet metal connectors inc.

There are two different types of applications. Double wall rectangular duct is constructed with tdc end treatments. The primary objective of hvac design is a balanced system that efficiently delivers the required volume of conditioned air to all of the building s spaces. Double wall rectangular duct and fittings are one part of our complete line of hvac products.

These patent pending systems provide the increased air distribution efficiency of round or flat oval ductwork packaged in a light weight and high quality. This double wall insulated ductwork is constructed of a solid metal outer pressure shell and a metal inner liner with a layer of insulation sandwiched between. Double wall rectangular ducts utilize the same outer metal shell and insulation media as our internally lined rectangular ducts but have an additional metal inner shell between the insulation and the airstream. Double wall rectangular duct and fittings pro fab sheet metal s double wall rectangular duct and fittings provide exceptional noise and thermal control in air handling systems.

Duct direct 8610 wallisville rd. Dual wall insulated duct single wall duct liners insulation fittings installation. This provides some additional characteristic to the duct as well as allowing a few more insulation. In double wall rectangular duct a metal inner liner insures that high airflow velocities cannot separate insulation by pulling away from the duct s outer wall and creating erosion or airflow problems.

Double wall duct and fittings can reduce radiated noise by 25 db or more compared with fiberglass duct board and by 30 db or more com pared with insulated flexible duct. Our double wall duct and fittings also control radiated noise better than similar sizes and shapes of externally insulated sheet metal duct.

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