Garage Epoxy - Part 5 of 10 - Dryer Metal Air Duct Replacement

Metal pipe

By Gary Boutin

Supplies and Tools:
Aluminum adjustable 90-degree elbow 4-in. (4)
Aluminum rigid pipe, 26-gauge (4)
Aluminum duct coupling 4 in.  (4) 
Cordless screwdriver with Phillips bit
Foil tape
Steel hex Zip Self-Piercing sheet metal screws
Tape measure 
Straight aviation snips
Work gloves 

Mr. Phon hired my repair service to install a new metal dryer vent system to replace the collapsible pipe he had installed over the side wall of his garage. He owned a beautiful home overlooking Azusa Hills, California. This repair job was done with the help of Carl my partner in our Repairman business. Carl and the Handyman used heavy work gloves to protect their hands.

This post shows the eleven steps to replace a foil type dryer vent system with an aluminum dryer vent system. 

Step 1: Fig.1 through fig.3 shows the flexible foil pipe alongside the length of the garage wall. The metal coils could be seen to come through the metallic foil, thus the system was compromised. This would cause an accumulation of clothe lint in the foil linings and in the past the entire system needed to be removed and replaced. Mr. Phon wanted a metal pipe system that could be cleaned up using a shop vacuum to remove the lint from the metal dryer vent system.

Fig.1
Left side

Fig.2
Middle section

Fig.3 the foil pipe went into a box, near the electric dryer with an access panel for a vacuum hose to remove the lint residue.

Fig.3 Right side 
by cabinets and 
laundry room

Step 2: After removing the garage cabinets, Carl checked the metal foil system and removed all the old components, and the coiled foil was disposed in the residential trash can.  Step 3: Working from left to right, fig.4 shows Carl below applying for the first 90-degree elbow, fig.5 shows Carl working with the two elbows that will be needed to reach the floor level.The job could have been started on either side, we just liked starting from the outside vent instead of the inside dryer box.

Fig.4 Attaching elbows

Fig.5 Two elbows

Step 4: In fig.6, shows the two elbows into the floor position and facing the right side of he garage. Now the left side is done.

Fig.6 Elbows and 
floor position

Step 5: Below in fig.7 shows the pipes that will run along the floor to the right inside vent. The circle in fig.8 shows the duct coupling that will bind the two vent pipes together.

Fig.7 Straight pipe

Step 6: Fig.8 shows Carl is folding the floor pipes together. The rigid pipe on the floor have to be pushed into a circle and have an edge that clips each side together. The aluminum rigid pipe when purchased at your local hardware store does not come fitted together. It looks like a highly polished rectangular metal sheet with almost matching edges that make the tube. 

Fig.8 Rolling 
more pipe

Step 7: Fig.9 shows Carl putting the coupling and the rigid pipe together.

Fig.9 Attaching coupler

Step 8: Fig.10 shows Carl placing the rigid pipes into the elbows on the left side.

Fig.10 Carl attaching straight pipe

Step 9: Fig.11 and fig.12 shows the pipes alongside the wall to the right side. 

Fig.11 Straight pipe

Fig.12 Back 
wall pipe

Step 10: The last step is to seal the pipes. Fig.13 shows foil tape is being wrapped around the rigid pipe and the union.

Fig.13 Foil tape

Step 11: Fig.14 and fig.15 the metal duct pipes are underneath the cabinets and are ready for use. Now the pipe system is finished and ready for use by the dryer. A test was done with some lint and the vacuum was able to clean the lint from the rigid pipe system. 

Fig.14 Outside exhaust

Fig.15 Job Finished

Garage Epoxy:

• Part 1 of 10 - Garage Rat Invasion Repair
  
• Part 2 of 10 - Paint Garage Walls to Eliminate Pets
  
• Part 3 of 10 - Rat Ate Electrical Wire Repair
  
• Part 4 of 10 - Dryer External Vent Capped Off
  
• Part 5 of 10 - Dryer Metal Air Duct Replacement
  
• Part 6 of 10 - Garage Floor Grinding
  
• Part 7 of 10 - Vinegar Kills Urine Odor
  
• Part 8 of 10 - Use of Degreaser
  
• Part 9 of 10 - Applying Acid Etch
  
• Part 10 of 10 - Epoxy Paint Application

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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-