Cold Air Return Duct Board

Acceptable duct materials include galvanized steel aluminum fiberglass duct board and flexible duct.

Cold air return duct board.

Cut this duct board to size and use it to build your own hvac fittings or trunk duct and then assemble it with fiberglass weave and mastic or duct board approved duct tape for a convenient solution to your ducting problems. Building cavity space alone should not be used as a supply or return air pathway. In this house the cardboard panned joist return ducts are all inside the building envelope but that doesn t mean there won t be any problems. The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room.

Menards offers a wide range of ductwork pipe and fittings to help your ductwork systems run efficiently these products are used for warm air return supply and exhaust systems. Place your cold air return vents on the inside walls of buildings at the lowest point. As with all duct systems it is essential that one built from rigid foam board is correctly designed so that the temperature is comfortable and consistent throughout the residence. If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on a wall.

The duct layout should be considered in the initial framing design stage. Used as a central return vent box filter grill not included. If the supply ducts are in the floor then the return air should be located up high. You can build ducts from rigid foam board to serve as the distribution system to circulate heated or cooled air in your house.

A cold air return duct connects to a floor or wall return register and circulates air from each room back to a furnace for reheating. The stack effect i e warm air rising is stronger in cold climates and taller houses. Fiberglass construction with fsk backing for increased durability. In addition its flexibility allows for easier installation in hard to reach areas.

The duct board return air box is an r6 the duct board return air box is an r6 insulated box that installs traditionally in a ceiling. Can accept any size collar up to 18 in. Can be easily cut to size. This house is in a cold climate.

Unlike supply vents return vents do not need to be cased in metal. Flexible duct can be installed in place of galvanized pipe in many applications if allowed by your local hvac codes. You can run a return made out of duct board instead of sheet. The return vent pulls cold air from the bottom of the room and returns it to the furnace to be reheated and returned as warm air.