Double Wall Insulated Rectangular Duct

Double wall rectangular duct and fittings are one part of our complete line of hvac products.

Double wall insulated rectangular duct.

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. Duct direct 8610 wallisville rd. Double wall duct and fittings mcgill airflow s rectangular k27 duct and fittings provide exceptional noise and thermal control in air handling systems. These patent pending systems provide the increased air distribution efficiency of round or flat oval ductwork packaged in a light weight and high quality.

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. 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. Houston texas 77029 phone. 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.

There are two different types of applications. 713 672 0509 toll free 877 774 duct 3828. 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. Dual wall insulated duct single wall duct liners insulation fittings installation.

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. 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. Rectangular double wall duct product pages. 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.

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. Specifications for rectangular double wall duct fittings sheet metal connectors inc.