Types Of Residential Air Ducts

Sheet metal ducts fiberglass lined ducts and fiberboard ducts.

Types of residential air ducts.

Sheet metal round or rectangular ducts made of sheet galvanized steel or aluminum are the most durable and costly available. Sheet metal ducts. Aluminum in particular is relatively light and easy to install but needs to be thick enough to avoid getting crushed if someone walks on it. However because of this sealed lining these ducts can be very difficult to clean.

The most common type of rigid air duct is constructed of galvanized steel or aluminum. Since the early 1970 s a significant increase in the use of flexible duct which generally is internally lined with plastic or some other type of material has occurred. Four common types of ducts are flexible ducts metal ducts glass wool duct boards and plastic ducts. Fiberglass lined air ducts.

Types of air ducts sheet metal air ducts. They have a non porous surface that s easily cleaned and the smooth metal makes an inhospitable environment for biological contaminants. These are sheet metal ducts like those described above that have internal or external fiberglass lining. If you do choose to use these you can make them more effective.

They are also prone to condensation as well as air leakage. Sheet metal ducts are usually made of either galvanized steel or aluminum. They allow excess noise in your home. There are two different rigid duct types commonly used in home hvac systems.

Sheet metal air ducts. These are the kinds of ducts you ve seen in films usually with an action hero crawling through them. The most common type of ridged air duct is constructed of galvanized steel or aluminum. Lambro rigiflex 4 in x 96 in aluminum semi rigid flexible duct.

Uninsulated rectangular ducts also known as sheet metal ducts are the most popular type. Item 1790033 model 1790033. While they are inexpensive to install they are not very effective. However many modern residential air duct systems are constructed of fiber glass duct board or sheet metal ducts that are lined on the inside with fiber glass duct liner.

There are three main types of rigid ductwork. Some sheet metal air ducts air ducts are lined with an external or internal fiberglass duct. To protect the air the interiors of these ducts are sealed so fiberglass cannot make its way into the flowing air stream. However rigid ducts cannot be easily used in tricky spaces.