Installing A Dryer Duct

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Step

Start by removing old dryer duct. The picture on the left shows the old "accordian style" aluminum duct I removed. This style ducting traps huge amounts of lint. For sure a fire hazard. There are (2) 4-inch clamps holding it into place. Just use a simple flathead screwdriver and slide it off the related ducting.

Start at the bottom of the dryer. Secure the new elbow with the old 4-inch clamps, or a compression ring. Make sure to set your adjustable elbow to the angle you need. Go to the wall where the ducting runs out of the house, then install the other 90 degree elbow to the pre-existing outlet. If you do not have an outlet, you will have to drill a 4-inch hole, then buy an outlet kit for the wall.

Cut the 5-foot straight course of duct to size with your tin snips. To get this distance, take the measurements from the top lip of the elbow at the dryer outlet, to the measurement at the bottom elbow connection going into the wall. Use that distance as your length.

Proper ducting for your gas or electric dryer is essential for the appliance. It is also very easy to install for the average DIYer and takes about an hour. You will need:
     2 - (4-inch round) 90 degree elbows
     1 - 4" x 5 foot length of round duct
     1 - roll of duct tape
     sheet metal screws
     sprayfoam or caulk

Step

Install with 4 sheet metal screws (2 in the top, 2 in the bottom), into 1/8 pre-drill holes. Finally, seal the outer wall where the dryer duct exists the house. Use either caulk or foam sealant.