Wednesday, June 19, 2013

How to Replace a Dryer Vent Cap

Fig.1 Old vent
By Gary Boutin

Supplies and Tools:
Cordless screwdriver with a Phillip bit 
Dryer metal duct pipe and vent kit
Silicone - clear

Mr. Georgianna had seen my truck in the neighborhood. He left a message on my wiper blade to help him out on a small dryer duct job.

This post shows the seven steps to complete the dryer vent assembly.

Step 1: Fig.1 shows above right is the old dryer vent cover, all bent inside and outside.
Step 2: Fig.2 shows below is the inside view of the vent that will be attached to the dryer exhaust pipe. This one below has little room to attach any pipe extension.

Fig.2 Inside laundry
Step 3: Fig.3 shows the proper vents to use for this job. Unfortunately before calling me to do this job, Mr. Georgianna cut the vent cover from the vent pipe and he still was unable to remove the galvanized piece between the interior wall and the exterior wall. It seemed simple enough but it was more complicated than Mr. Georgianna believed.
Fig.3 Metal coupler
Step 4: Fig.4 shows the completed cover on the exterior wall. All that needs to be done is painted the same color as the wall.
Fig.4 New cover
Step 5: You ask how was it done? The galvanized pipe was held by two sheet rock screws on the top of the pipe. Once remove the wall pipe fell out of the hole. Fig.4 shows the new vent cover/pipe was added to the wall area. Fig.3 on the right side, the wall pipe is much longer than a standard wall size and this length allowed easy installation of foil pipe to the dryer vent. 
Step 6: After the pipe is in the wall use a cordless screwdriver with a Phillip bit to drive the 4-sheet metal screws into the stucco.
Step 7: Read my post "How Do You Open Caulking Tubes" and then apply clear silicone using a manual caulking or a battery operated caulking gun to release the silicone to the entire exterior edge of the dryer vent. When the silicone is added to the interior it will seal any gaps between the metal  vent and the stucco. This wall hole was the perfect size for this pipe, caulking was used on the inside and the outside. Some kits come with a interior flange to hide any gaps in the wall, this is a good to reduce any air leaking out of the home. 
Step 8: The warehouse store that Mr. Georgianna purchased the vent cap/pipe gave him another new one at no charge, customer staff person stated that the piece was defective. This job is finished. 

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Note: The DIY Advisor assumes no liability for omissions, errors or the outcome of any jobs. The reader must always exercise reasonable caution, follow current codes and regulations that may apply, and is urged to consult with a licensed contractor if in doubt about any steps on these posts. All names were changed to protect client's privacy. DIY Advisor. Reproduction of site content including photos without permission prohibited. All rights reserved. © Copyright 2011-

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