How to install ducts?

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Different methods of duct installation include hanging duct from walls or ceilings, installing in attics or crawl spaces, and installing within floors. Professional installation is recommended to avoid damage to the home.

There are many different methods of installing ductwork in a building. Methods vary depending on the location and type of duct being installed. Ducts can be installed inside walls and ceilings and underground. They can also be fixed to walls and placed in enclosures or left exposed.
Hanging duct from a wall or ceiling and leaving it exposed is the simplest method of installing duct. Using this method, all that needs to be done is attach the hose to the source of the airflow and make sure it is properly attached or suspended from a wall or ceiling. If desired, the ductwork can be closed off using a simple wooden rail, connecting the end of the ductwork to a vent. Then, the vent should also be fixed to the outside of the wooden rail, preferably using screws.

Another simple method of installing duct that is less visible would be to take advantage of available space in an attic or crawl space. If the source of the airflow is close enough to one of these spaces, this is a good option. A few holes that are roughly the diameter of the duct must be drilled so that the duct can be run through the attic or crawl space into the room or area where it is needed. Vents may be installed in this room and also at other locations along the length of the duct if required.

A more difficult and troublesome method of installing duct is to install it within a floor. There are many ways to do this and the methods vary according to the type of flooring. If the duct being installed is intended to pass through a basement, it may only be installed if the concrete has not yet been poured. These ducts offer a significant advantage in terms of reducing energy losses.

Installing channels is impractical in thin floors that lack the strength to support a channel system. Fortunately, most floors leave some space for underlying insulation, and ducting can be installed in these spaces. First the floorboards have to be removed and the route the duct will follow has to be determined. Holes roughly the size of the diameter of the duct must be drilled into the beams supporting the floorboards for the duct to reach the intended location for the vent. Then, a vent is installed in the floorboards and a duct is laid from there to the source of the airflow.

These and other duct installation methods should not be performed by skilled laypersons. If something goes wrong while installing these systems, serious damage can result to a home. Consulting the address book and the Internet are great ways to find professionals to turn to for quotes and installation.




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