The international residential code irc section m1501 requires that clothes dryer vents be constructed of at least 0 016 thick rigid metal have smooth interior surfaces and shall not have sheet metal screws extending into the duct.
Adding a dryer vent.
For every 90 degree turn and 2 1 2 feet for every 45 degree turn for dryer vent installation.
The shorter the distance and fewer the turns the better for dryer vent installation.
A dryer vent is an essential part of your home dryer that helps funnel moist exhaust air out of your house keeping it from combining with hazardous gases.
Though installing a new dryer vent hose may seem daunting the process is fairly simple and straightforward once you know what to do.
Attach the straight run to the elbow at the vent hood.
Horizontal runs should have a fall of 1 4 inch per foot to prevent buildup of moisture and gases.
For easy compliance with the local building code get a checklist of requirements from your local building authorities.
Attach the other end of the straight run to the dryer shifting the elbow or elbows as necessary to complete the.
You will need to produce all the documents in the checklist to apply for a permit to install a dryer vent.
Dryer vent installation can be a bit of a challenge.
Complying with local code requirements.
Keep in mind these rules of thumb.
Duct and subtract 5 ft.
The clothes dryer vent should meet the ul 2158a standard.