How to Replace Dryer Vent - Part 4 of 4 - Metal Foil Installation

Fig.1 Foil vent

By Gary Boutin

Parts and Supplies:
Phillips screwdriver 
Dryer foil pipe
Razor knife
Silicone
Sheetrock metal screws (also known as drywall screws)

Michael works for a program called Uncommon Good that teaches students about green energy. His home is located in Upland, California, a beautiful neighborhood with mature trees in a rural setting. He had just purchased a century-old home and wanted to preserve its look. Being a principal member of Uncommon Good, he was using the house to teach others how to go green. He called my repair service to hook up his dryer vent. In troubleshooting the job, the dryer vent was missing. The former owners had taken the vent with them.

This post shows the six steps to install the vent in a stucco wall.

Step 1: Fig.1 shows the metal foil is on the the dryer vent pipe but it's not straight. Notice the white insert should be square with the floor. Fig.2 shows another angle of the foil pipe.

Fig.2 Backing still crooked

Step 2: Fig.3 shows the white insert is square with the floor. Also shown is the application of silicone to the edges of the metal dryer pipe.

Fig.3 Applying silicone

Step 3: Fig.4 shows that by California code cloth tape normally called duct tape can not be used any longer. Cloth duct tape can not be used because the adhesive dries out and the tape does not function any more. Using the metal tape does not dry out and the the adhesive qualities are maintained for many years of use. It's not as simple as placing tape on a box.

Fig.4 Metal foil tape

Step 4: Fig.5 shows the metal tape has been used to secure any air leakage into the house, the metal strap holds onto the metal vent pipe and is secured by two metal screws.

Fig.5 Vent strap 

Step 5: Fig.6 shows metal tape is added to the pipe. Michael asked this part to be added to the foil pipe since the foil pipe is very thin and he wanted it to be secured.

Fig.6 Tape over vent strap

Step 6: Fig.7 shows all three pipes are now secured and the laundry room can now be used.

Fig.7 All pipes attached

How To Replace a Dryer Vent:

• Part 1 of 4 - Troubleshooting the Dryer Vent
• Part 2 of 4 - Dryer Vent Installation in Stucco
• Part 3 of 4 - Dryer Vent - Installation
• Part 4 of 4 - Dryer Vent - Metal Foil Installation

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