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I need to install a dryer periscope vent in my new dryer unit, However, it needs to be sealed for leaks. What type of tape should be used to tape a periscope dryer vent?

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Possible duplicate: How do I connect a dryer to a dryer vent? – BMitch Oct 1 '13 at 20:29

First, what you do not want to use is duct tape, the adhesive fails under the extreme temperatures.

For dryer vents and HVAC ducts, you should seal seams with a foil backed tape. This is designed to be airtight and handle the temperature swings that would cause other types of tape to fail.

foil tape

Note: sample product image, no affiliation or recommendation for this specific brand.

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Dryer vents should be sealed with foil tape as they can withstand the high temperatures encountered during machine use. Other tapes, even duct tape, are susceptible to failure under the extreme heat. Non-foil tape can also catch on fire.

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