How to Replace an Outdoor Dryer Vent


The dryer vent allows the moist air produced from drying your clothes to escape. When the old vent no longer functions properly, it takes longer to dry your clothes. Once you know how to replace an outdoor dryer vent, your dryer will dry your clothes quickly and efficiently again.

Things You'll Need

  • Screwdriver
  • Putty Knife
  • Drill
  • Silicone Caulk
  • Caulk Gun
  • Pull the dryer away from the wall so that you can work behind it. Disconnect the dryer duct from the outside vent where it connects inside the laundry room by unscrewing the clamp with a screwdriver.

  • Go outside and remove the four or six screws that hold the outside dryer vent to the home using a screwdriver.

  • Insert a putty knife between the vent and the side of the home to separate the caulking that holds the vent. Separate the caulking around the perimeter of the vent and remove the entire outside vent assembly away. Clean away any residual caulking on the home by scraping it away with the putty knife.

  • Insert the new outside vent assembly into the vent hole in the wall. Mark the location of the screw holes with a pencil and remove the vent. Drill pilot holes for the attaching screws at the location you marked using a drill. If you are attaching to block, drill holes that will accommodate the plastic anchors that will need to be inserted into the wall for the screws to attach to.

  • Insert the dryer vent into the wall, flush against the home. Secure the vent by attaching it with the securing screws.

  • Apply a bead of weather resistant silicone caulk around the perimeter of the dryer vent using a caulk gun. Apply the bead between the seam where the vent meets the house.

  • Go back inside the laundry room and reattach the dryer duct to the new dryer vent. Secure the duct by screwing the clamp tight with a screwdriver. Push the dry back into its permanent location.

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