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Dryer Transition Ducts, Lint, and Fires
Last week I blogged about clothes dryer ducts, and this week I'm going to follow up with information on dryer transition ducts.  As I mentioned last week, a dryer transition duct is the flexible material that can be used to transition between the dryer and the duct.  Transition ducts should be used sparingly, stretched tight, not smashed, and replaced periodically.    They're allowed by the Minnesota State Mechanical Code, but they can't be any longer than 8', and they need to be listed and labeled for the application.  The key word is listed.   If a dryer transition duct is listed, you'll find the "UL" logo somewhere on the package or product.
Today I'll discuss the three most common materials used for dryer transition ducts, and I'll cover some basic rules for keeping your dryer transition duct safe.
Plastic Ducts Plastic dryer transition ducts are a potential fire hazard.  They're never UL listed, they can get clogged with lint, and they'll burn.  If you have one of these, replace it.  I looked for one of these at Home Depot and Menards, but I couldn't find one.  Good.  I still find plenty of them while inspecting houses though.

I tried lighting some paper on fire inside one of these ... more

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