Semi Rigid Dryer Duct Length

Dryer vent pipes properly called vent ducts come in a variety of materials.

Semi rigid dryer duct length.

Duct and subtract 5 ft. 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. Builder s best 084131 saf t readi pipe flexible semi rigid aluminum dryer vent duct 2 clamps included 4 diameter x 8 length 3 9 out of 5 stars 41 20 10 20. Dryer in video is a whirlpool cabrio model wed7300dw.

Do not use plastic or thin foil ducting. Your new dryer is shifted to vent to the rear. Semi rigid dryer duct is a semi rigid dryer duct that fits most dryers. We have a semi rigid flexible transition dryer duct part pm08x10085.

California residents see prop 65 warnings. Most dryer ducts are round and 4 inches in diameter. It is also includes 2 clamps. Let s start with what the irc international residential code says.

Keep in mind these rules of thumb. For every 90 degree turn and 2 1 2 feet for every 45 degree turn for dryer vent installation. See your installation. A ul listed semi rigid dryer duct can be used if the vent length is 8 feet or less.

Tips on how to cut and connect a semi rigid vent pipe on a clothes dryer. The exhaust duct run should be as short as possible. Dryer vent installation can be a bit of a challenge. Because all types are sold for use with dryers you would naturally assume that all are suitable for this application.

Ul listed foil dryer ducts are only allowed under very strict criteria. Dryerflex has a smooth interior similar to semi rigid which allows the dryer to perform at peak efficiency. The shorter the distance and fewer the turns the better for dryer vent installation. For example foil dryer ducts can only be used in lengths 8 feet or less.

Clean old ducts before installing the dryer. Use no more than 25 ft. Some are flexible and others are rigid. This duct is easy to install.

Even some readily available semi rigid does not perform as well as dryerflex. The maximum length of a straight run of dryer duct is 35 feet with a 5 foot deduction in length for each 90º bend and half that for 45º bends based on using a 4 inch smooth metal vent with no screws protruding into the air flow.