Dryer Exhaust Duct Through Roof

If their dryer vent goes out the roof then they need to get it cleaned at least once a year and can cost anywhere from 150 to 300.

Dryer exhaust duct through roof. At less than 5 1 2 above the roof plane it is also low profile for minimal visibility. For example a dryer with a 90 degree elbow at the exhaust port and another at the top of the basement wall can run a maximum of 15 ft. Terminating the shorter duct run with a dryerjack helps venting through the roof deliver on the promise this shorter route offers. For every 90 degree turn and 2 1 2 feet for every 45 degree turn for dryer vent installation.

The photos below are from a recent inspection of a 2007 built home in plymouth that had a badly clogged dryer vent terminal at the roof. If you re tempted to vent your exhaust fan through an existing roof vent or even vent it into the attic don t do it. Be careful you don t cut through any studs electrical wires or pipes in the process. It is not advisable to vent a dryer through the roof.

If your laundry room has access to an outside wall cut a hole and install a standard dryer vent. Duct and subtract 5 ft. The international residential code allows you to run a dryer vent through the attic but you can t terminate it there. For medium snowfall zones and or higher profile roof tiles select the larger model 486 which is as efficient but taller.

Cleaning the inside vent. The first thing that we will do when cleaning a dryer vent that is vented through the roof is to disconnect the dryer and clean the inside vent. Once this step is done we will proceed to cleaning the vent on the roof. Dryer duct through roof this arrangement will work fine at first but just like dryer vents that go through the side of the house the terminal will eventually get clogged with lint.

If the vent goes out the sidewall then it s something they. Second during cold winters you ll be blowing warm moist air onto a cold surface the roof vent and roof plywood. Doing so would fill your attic with warm moist air that could rot the framing. This is one of the most common mistakes we see from people who are not experienced with air ducts.

Here are the steps that we at dust doctors follow when cleaning a dryer vent on your roof. If venting outside isn t an option you can vent the dryer out of the attic through the roof using a special roof vent to keep rain out. First you ll partially block your roof vent with the piping reducing the flow of cooling air through your attic. Dryer manufacturers recommendations supersede this so if you have to make a longer run read the owner s manual.