Taping seam on dryer ell 90 degree

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MichiganGuy

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Taping seam on dryer ell 90 degree
« on: July 24, 2018, 04:39:12 PM »
I know it's recommended to seal the seam with metal duct tape or other duct sealing methods, but I was wondering if it's okay to seal the seam with metal tape on the inside of the dryer ell duct. I was thinking that lint could get trapped in that indentation and I was hoping to make it smoother with the tape.

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admin

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Re: Taping seam on dryer ell 90 degree
« Reply #1 on: July 30, 2018, 11:24:33 AM »
Our feeling is that the outboard seam will encounter sufficient airflow to periodically clean itself off.  Tape would be hard to get to fit smoothly.  I've always considered finger smearing the seam from within after they are mated (with some form of caulk on the joint).  Fan of fire caulk or some polyurethane based caulk.  Thanks for asking.  Maybe if you cut a 3/4" wide strip of metal tape would work too. 
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