Sometimes such as in town homes or condos it s not possible to vent a dryer through a wall outside.
Dryer vent routed to attic.
Insert the duct pipe on the vent hood through the hole.
Venting a dryer into an enclosed space is never a good idea.
In these cases it may be necessary to vent your dryer through the attic.
Position the assembly so that the opening faces toward the ground.
This article describes routing bath exhaust fan duct upwards through an attic or roof space or downwards through a floor or crawl space.
The photo below shows an accumulation of dryer lint in an attic after years of the vent terminating in it.
A dryer vent should be vented outside.
The problem with attics.
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Dryer vents should be constructed of rigid metal duct no less than 016 thick that is free of kinks and obstructions and tightly connected with sealed joints and no leaks.
After the hole is completed get the dryer vent hood into place from the exterior of your home.
Also the dryer and the bathroom fans should be vented separately and should never be vented out the soffit vent.
Not all dryers will allow for this so be sure to check the owners manual to ensure it can be vented in this manner.
Dryer vents should be as straight as possible and not exceed 35 feet in length.
Improper vent placement can be a fire hazard restrict airflow reduce the efficiency of your dryer and result in a breeding ground for mold and mildew in your home or business.
Unfortunately sometimes corners are cut and vent systems are improperly terminated in attics garages crawl spaces wall cavities or other undesirable locations.
Be careful you don t cut through any studs electrical wires or pipes in the process.
One important way to control condensation is to maintain an upward slope on the vent pipe.
Secure the dryer vent hood to the siding on the home s exterior using wood screws.
The attic is usually colder than the rest of the house during the winter and that can create a.
These exhaust streams are full of moisture and hence have a high potential for condensation.
In all cases the ducting needs to conduct the exchaust to the building exterior and needs to terminate in an animal proof vent cover.
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Can a dryer vent go up through an attic.
Bathroom ventilation fan duct routing routing a bath vent duct down out or up through an attic or roof out.
If venting outside isn t an option you can vent the dryer out of the attic through the roof using a special roof vent to keep rain out.
This code requirement is usually referred to when a homeowner wants to install air conditioning ducts from the house hvac system to the garage but also applies for dryer ducts.