Clothes Dryer Exaust

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Old 01-29-17, 08:38 AM
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Clothes Dryer Exaust

In venting the exhaust from my clothes dryer, I keep having trouble with the straight tube coming unattached from the short tube attached to the vent cap. I am concerned it is going to come loose inside the wall and not properly vent the exhaust to the outside

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Do you thing there is some way I could glue or use some other kind of adhesive method to attach the 2 ends so the don't come apart inside the wall. I have tried using a clamp but the 2 ends still come apart
 
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Old 01-29-17, 08:51 AM
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Use foil tape on any seams. Generally the thin duct that you have in your wall just clips into the dryer vent louver. Foil tape would help keep those parts together as well if that's the problem.
 
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Old 01-29-17, 08:52 AM
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First of all, your ducting is backward. Crimped ends should always face away from the dryer so the lip of duct doesn't trap lint. You should check the whole duct run and reverse as necessary.

You can use foil tape (not duct tape, but metal foil tape) to seal the connection and keep the joints together. Some installers use sheet metal screws or pop rivets, but those are not recommended because they protrude into the duct and trap lint. Clean the duct with alcohol before applying the tape.
 
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Old 01-29-17, 11:53 AM
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but those are not recommended because they protrude into the duct and trap lint.
Yea but if you use 1/4" screws (rivets are a pain to remove) you will only snag a very tiny amount and the benefit of having everything secure outweighs.

Use the tape to seal after the screws and it keeps the laundry room clean.
 
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Old 01-29-17, 12:36 PM
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First of all, your ducting is backward. Crimped ends should always face away from the dryer
That's the way it was when I bought it. The tube was already attached to the plastic hood. I have since replaced it with this,

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which extends all the way through both inside and outside all and into the utility room where all I had to do was secure the hose with a clamp
 
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Old 01-29-17, 02:05 PM
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Than I don't understand your question . What comes apart.
 
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Old 01-29-17, 02:16 PM
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IMO, the crimped piece in that first pic is the part that shouldn't be there. Unless your wall is 12" thick, it's an unnecessary extension, and as pointed out, is crimped the wrong way.
 
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Old 02-04-17, 06:25 PM
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Just drill a small hole and put in a short sheet metal screw. Yes it will hang up a tiny bit of lint, but not enough to worry about. Just use the shortest screw possible for the least intrusion. One screw will do it.

If the crimped part is coming from the appliance, it is in the right direction. If the crimped part is on the outside of the home, then it is reversed. You should get this sorted in that lint build up is a fire risk. Or just clean it out more frequently. The air flow should always flow from the male connection into the female.
 
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