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.
Cold air return duct board.
Acceptable duct materials include galvanized steel aluminum fiberglass duct board and flexible duct.
Place your cold air return vents on the inside walls of buildings at the lowest point.
If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on a wall.
Building cavity space alone should not be used as a supply or return air pathway.
This house is in a cold climate.
The stack effect i e warm air rising is stronger in cold climates and taller houses.
These cardboard ducts are in the basement with two stories above.
The duct layout should be considered in the initial framing design stage.
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.
Fiberglass construction with fsk backing for increased durability.
Can accept any size collar up to 18 in.
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.
This pulls the air across your body.
Product is knocked down for shipping and must be assembled.
Can be easily cut to size.
In addition its flexibility allows for easier installation in hard to reach areas.
Flexible duct can be installed in place of galvanized pipe in many applications if allowed by your local hvac codes.
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.
Used as a central return vent box filter grill not included.
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.
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.
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.
The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room.