Semi Rigid Dryer Vent Duct

Ul 2158a semi rigid duct is recommended by most clothes dryer manufacturers.

Semi rigid dryer vent duct.

Because all types are sold for use with dryers you would naturally assume that all are suitable for this application. Some are flexible and others are rigid. Semi rigid aluminum is all that anyone recommends. It also is a transition duct that must be used outside of wall assemblies.

Item 1790033 model 1790033. Flexible semi rigid transition duct can be used for electric or gas clothes dryer venting applications. Dryerflex has a smooth interior similar to semi rigid which allows the dryer to perform at peak efficiency. Dryer vent pipes properly called vent ducts come in a variety of materials.

The flexible semi rigid is engineered from a triple lock design which prevents the duct from being crushed. Most dryer ducts are round and 4 inches in diameter. Even some readily available semi rigid does not perform as well as dryerflex. I ve recommended using semi rigid metal when necessary as a way of transitioning from the dryer to the duct.

This type of dryer duct looks similar to an aluminum foil duct in that it is an accordion style flexible metal tube. 3 25 4 0 4 0 airflow restriction wastes energy by increasing dryer times and it increases lint build up and the possibility of a dryer fire. The difference is that the metal is semi rigid and less prone to crushing. Enjoy the 8 ft.

There was an article published in the ashi reporter in april 2005 saying that semi rigid metal was the only good substitute for smooth metal click here to see it. Lambro rigiflex 4 in x 96 in aluminum semi rigid flexible duct. Semi rigid dryer duct wx08x10075 the home depot store finder.