How to Install a Dryer Vent Through a Foundation Wall

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Dryers need to be vented to the outside to prevent lint and moist air from building up inside the house. The vent hood has an aluminum pipe attached to it that's inserted into a hole in the foundation. The pipe is linked to the dryer vent assembly in the wash area. Proper installation and assembly is necessary for operating the dryer safely in the home.

Things You'll Need

  • Drill
  • Concrete drill bit
  • Concrete circular hole saw, 4-1/4 inch
  • Chisel
  • Hammer
  • Dryer vent
  • Two concrete screws, 1/2 inch
  • Caulking gun
  • Silicone caulk

Locate a place on the wall where the dryer vent will go through the foundation. Use the drill and concrete drill bit to drill a pilot hole through the foundation from the inside to the outside.

Move outside and find the pilot hole. Use the concrete hole saw attached to the drill to make a 4 1/4-inch diameter hole in the foundation from the outside to the inside. You will need to drill as far as the depth of the hole saw allows. Pull out the hole saw. Use a chisel and hammer to remove the concrete to the depth of the hole drilled. Place the hole saw in the hole again and make another circular cut in the concrete and chisel out. Continue this process until you reach the inside of the basement.

Insert the dryer vent hood pipe into the hole so the vent hood is flush with the foundation. Use two 1/2-inch concrete screws to mount the hood on the foundation. The hood has a screw hole on each side.

Place the silicon caulk in the caulking gun. Apply a small bead of caulk around the edge of the vent so the caulking seals the vent hood to the foundation.

Tips & Warnings

  • Select a location in the basement where there are no electrical wires or plumbing pipes.
  • When using drills, always wear safety goggles.

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