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Old 03-07-2013, 09:13 PM   #1
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Taping dryer vent ducting


I apologize in advance if this is too dumb a question.

For 4" galvanized ducting for a dryer vent I understand you should use metal tape on the junctions where the pipes or elbows join. But should you also tape where the elbows rotate? Should you tape the lengthwise seams of the pipes?

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Old 03-08-2013, 01:56 AM   #2
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Taping dryer vent ducting


No, it's not needed.

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Old 03-08-2013, 08:38 AM   #3
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Taping dryer vent ducting


To elaborate on Joes correct response:

You should not use any tape on dryer pipe, because you should take it apart to clean it out now and then. Those dryer cloths leave a real scum inside the pipe that restricts flow. Put the pipe together with self tapping short 1/2 inch hex washer head screws for the same reason. HWH are easy to remove and replace with a mag nut driver in your cordless drill. Set the clutch low or you will strip them out.

Happy Drying!
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Last edited by jagans; 03-08-2013 at 08:41 AM.
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Old 03-08-2013, 08:48 AM   #4
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Taping dryer vent ducting


DO not use any screws on a dryer vent, reason being the tips of the screws will catch the lint and build up.
I saw a neat thing I HD that goes in line on the hose that all you had to do was slightly twist the hose to disconnect it.
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Old 03-08-2013, 08:55 AM   #5
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Taping dryer vent ducting


Thanks Joe. I did say short, and I did say clean often. Do I get a B minus?

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Old 03-08-2013, 10:54 AM   #6
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Taping dryer vent ducting


Thanks.

Interesting the suggestion to use screws and no tape. Too late in my case as the joints are already taped.

The old plastic hose I'm getting rid of had never been cleaned in something exceeding twenty-five years. It had a little bit of lint in it but not much.
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Old 03-08-2013, 11:22 AM   #7
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Taping dryer vent ducting


Quote:
Originally Posted by jboyton View Post
thanks.

Interesting the suggestion to use screws and no tape. Too late in my case as the joints are already taped.

The old plastic hose i'm getting rid of had never been cleaned in something exceeding twenty-five years. It had a little bit of lint in it but not much.

no screws ever! Just cut the tape to clean if you have to.
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Old 03-08-2013, 03:11 PM   #8
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Taping dryer vent ducting


Quote:
Originally Posted by jboyton View Post
Thanks.

Interesting the suggestion to use screws and no tape. Too late in my case as the joints are already taped.

The old plastic hose I'm getting rid of had never been cleaned in something exceeding twenty-five years. It had a little bit of lint in it but not much.
Code prohibits the use of screws in a dryer vent. Only tape is permitted.

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