My gas dryer aluminum duct pipe vents into the attic about 3 inches from the roof.
Cleaning dryer vent in attic.
The tools and supplies you need to clean a dryer vent duct include a vacuum with a long hose attachment dryer vent brush kit screwdrivers and ul listed metal foil duct tape.
Lint from the dryer is collecting on the insulation in the attic.
There is a metal roof flashing covering the vent pipe.
You may need a screwdriver or another tool to hold the vent flap open for easier cleaning.
Before dryer vent cleaning locate the vent which should be easily found at the back of the dryer.
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If you live in a high humidity area or use your dryer more than twice weekly you should clean this vent several times per year.
I picked this one up at my local home depot for 19.
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The problem with attics.
Should the duct pipe be extended so that the lint would go outside the attic on to the roof.
In your case you might need to disconnect the vent pipe in the attic and fish a dryer cleaning brush with an extension handle down it from there to be able to reach the entire length of pipe.
Once the vent is exposed use a vent brush first clean the exterior surfaces.
The attic is usually colder than the rest of the house during the winter and that can create a problem for a dryer vent.
Then get on the roof and peel back any shingles that may be covering the vent as well as the guard.
One last step is to clean the exterior vent.
If you have a gas dryer turn the supply valve off while cleaning.
It only takes a few minutes and the peace of mind is well worth the minimal effort.
I clean the vents monthly.
The first step on how to clean a dryer vent is to unplug the dryer.
Or at least here in my neck of the woods.
Before you clean a dryer vent on the roof vacuum out the vent behind the dryer since it s easier to clean out the length of the vent from the ground floor.
How to clean a dryer vent duct rather than hire a professional a diy cleaning job saves money.
The dryers i service are in use almost 24 hours a day seven days a week.
It consists of a lint brush and six 2 foot long flexible segments.
Next you need to buy a specialized dryer vent cleaning kit.
The vent clean out kits that you find in your home improvement stores are only ten to twelve feet.