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When I use that pipe for dryer vents I also use aluminum tape which seals the joints nicely. For sections that like to open up you can run a piece of tape along the seam. It looks nice when your done too if you use the plastic widget to smooth the tape.
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I used the UL recognized tape. Pays to do it by the book.CNC machines only go through the motions.
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Yes, ordinary "duct" tape is worthless. Check it after 3 years... A good one is made by Nasua (forget the number, but a 300 series).
We put an approved mastic on all joints - code required here. Tape is only used where a connection needs changing, like a flexible hose. Even then, we use clamps and the offset type for spiral flex duct.Comment
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Location: Helsinki, Finland, EuropeComment
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"Duct tape" is not approved for ducts here.Originally posted by MattiJ View PostCNC machines only go through the motions.
Ideas expressed may be mine, or from anyone else in the universe.
Not responsible for clerical errors. Or those made by lay people either.
Number formats and units may be chosen at random depending on what day it is.
I reserve the right to use a number system with any integer base without prior notice.
Generalizations are understood to be "often" true, but not true in every case.Comment
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