1 Answer

  1. Weatherproof the duct.
  2. Insulate the duct. You want as little exposure to cold air as possible to prevent heat from flowing out through the metal. Wrap the duct with foil-faced insulation sleeve.
  3. Cap the duct with a louver. Your idea to use an elbow and a new vent louver is reasonable.

Can a dryer vent go up?

How High Can a Dryer Vent Go Up? The maximum height that a dryer vent can go up is the same as the total length of any dryer vent, 35-40 feet. The pipe that’s venting your dryer can go as high as 40 feet in the air, barring the fact that there aren’t any twists or turns.

Can a dryer vent run horizontally?





Runs should be horizontal with a slight downward angle if at all possible to allow any condensation from water vapor in the exhaust air to drain. The duct length from the wall to the outlet terminal should be no more than 35 feet, including equivalent length for any fittings.

Can a dryer vent go straight out?

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. The maximum length of the exhaust duct does not include the transition duct. This means that vents should also be as straight as possible and cannot be longer than 35 feet.

Can you put flexible dryer vent in wall?

Also, they recommend that if “flexible metal duct must be used, use the type with a stiff sheet metal wall. Do not use flexible duct with a thin foil wall. Serious blockage can result if flexible metal duct is bent too sharp. Never install any tpe of flexible duct in walls, ceilings or other concealed spaces. ..

How do you install a vertical dryer vent?

How to Install a Dryer Vent

  1. STEP 1: Determine the path of the ventilation duct. …
  2. STEP 2: Open up a small, 4-1/4″ hole in the exterior wall. …
  3. STEP 3: Secure the dryer vent cap on the home exterior. …
  4. STEP 4: Cut and join duct sections to connect the vent opening to the dryer’s exhaust outlet. …
  5. STEP 5: Test your installation.





How do you vent a stacked dryer?

Quote from the video:
Quote from Youtube video: Completely the original plan was to put the washer and dryer in this back corner the red lines denote the height of the washing machine and the start of the bottom of the drying machine when stacked.

Is it better to vent a dryer up or down?

It’s fine for the dryer vent to rise vertically to enter the building ceiling, but within the ceiling the vent should slope downwards towards its exit point at the building exterior wall.

How do you install a horizontal dryer vent?

How to Install a Horizontal Dryer Vent

  1. Find a location for the dryer vent hood opening. …
  2. Drill a hole on the mark through the wall. …
  3. Insert the end of the dryer vent into the hole from the interior of the building. …
  4. Insert the vent hood from the house exterior into the hole and the dryer vent.

What is a periscope dryer vent?



With the periscope dryer vent, air reaches the outside faster because of the shorter space the air must travel. Additionally, slim ducts are made of smooth metal, so air passes through it more efficiently than any rigid foil tube. The smooth surface also reduces the chance of lint buildup.

Is flexible dryer vent safe?

Flexible plastic ducts are flammable, and they, along with foil-type accordion ducts, more easily trap lint and are more susceptible to kinks and crushing, which greatly reduces or obstructs the dryer air discharge.

Can a dryer vent be rectangular?

Space Saving Aluminum Dryer Vent Duct is ideal for use in tight clothes dryer installations. The duct allows for the dryer to be placed 3” from the wall for optimum space utilization.

Is rigid or flexible duct better for dryer?



Semi Rigid Metal Dryer Duct



If you need flexible duct, this is the best choice. It has smaller ridges inside for better airflow and less lint buildup. It also withstands fire better than other flexible duct.

How do I vent my dryer in the middle of the house?

The optimal way to vent a dryer in the middle of your home without outside access is to run a vent hose through a window. Or you can run a vent hose up through your attic space to a dryer vent located on your roof.

Can you use flexible duct for dryer vent?

Modern dryer heating elements are very powerful and can ignite the lint accumulated inside the plastic duct and the dryer, starting a house fire. You can use a 4-inch flexible aluminum foil duct that is UL 2158A listed and marked for safe dryer venting.

How long can a flexible dryer vent be?

The maximum length of the duct is reduced by 2.5 feet for each 45 degree bend and by 5 feet for each 90 degree bend. The transition duct is not included in the exhaust duct maximum length. Vents can’t be longer than 35 feet and should be straight.

Can you put foil tape dryer vent?



While readily available, duct tape is not safe for dryer vents; use aluminum foil tape instead. When venting a dryer outside, it’s important to use the right kind of long-lasting, heat-resistant tape to seal the ducting and prevent lint and dust from spraying into the laundry room, walls, basement or attic.

What is code for venting a dryer?

The maximum length of a 4-inch (102 mm) diameter exhaust vent shall not exceed 35 feet (7620 mm) from the dryer location to wall or roof termination, and shall terminate with a full opening exhaust hood. A reduction in maximum length of 2.5 feet for each 45-degree bend and 5 feet for each 90-degree bend shall apply.

Can you use oval duct for dryer vent?

Maximize tight spaces with this telescoping dryer vent duct. Oval shaped duct allows for clothes dryer installation as close as 3 inches from the wall.

Can you run PVC pipe for a dryer vent?

While using PVC for some venting applications is acceptable, you should not use PVC to vent a dryer. PVC has a maximum temperature rating of 140 degrees. Dryer exhaust output can range from 130 to 165 degrees. PVC can buildup a static charge that can ignite lint buildup and cause a fire.