Dryer Vent Hose Through Attic

The maximum length of the duct shall be reduced 2 5 feet for each 45 degree 0 8 rad bend and 5 feet for each 90 degree 1 6 rad bend.

Dryer vent hose through attic.

In these cases it may be necessary to vent your dryer through the attic. A vertical dryer vent is typically a problem because it acts as a moisture condenser. A dryer vent should be vented outside. Seal the ceiling penetration so that the duct can expand in length as it heats up during use a standard roof boot such as you d use to flash a vent pipe would work.

Be careful you don t cut through any studs electrical wires or pipes in the process. Venting a dryer into an enclosed space is never a good idea. Sometimes such as in town homes or condos it s not possible to vent a dryer through a wall outside. It should have a cap on the end with a flapper so that animals cannot get in.

These terminals need to be cleaned on a regular basis to prevent lint buildup. No a dryer should not be vented through the roof. Vent the dryer with 4 in. The international residential code allows you to run a dryer vent through the attic but you can t terminate it there.

At less than 5 1 2 above the roof plane it is also low profile for minimal visibility. Keeping a clean dryer vent is much easier when you can safely reach the exit. Terminating the shorter duct run with a dryerjack helps venting through the roof deliver on the promise this shorter route offers. The maximum developed length of a clothes dryer exhaust duct shall not exceed 35 feet from the dryer location to the wall or roof termination.

Metal duct going vertically from the dryer through the second floor ceiling. The sheet metal duct is cooled by the outside air in the attic. When venting dryers for long distances use rigid metal pipe with as few elbows as possible. This code requirement is usually referred to when a homeowner wants to install air conditioning ducts from the house hvac system to the garage but also applies for dryer ducts.

Difficulty cleaning dryer vent dryer vents should always be vented through the side of the house and not vented through the roof and ideally the exit should be fairly close to the ground. It should go out through a wall or the eve of a roof. The photo below shows an accumulation of dryer lint in an attic after years of the vent terminating in it. 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.