Venting the bathroom through one of the existing roof vents tells me that he plans on venting it through a gable vent.
Gable wall bathroom fan.
To do so means that the duct would be run up to the vent.
And of course a bathroom with a window doesn t require an exhaust vent.
If you vent through the roof condensation will drip back into the interior.
Keep mirrors from fogging up with a bathroom exhaust fan.
An exhaust vent fan can exhaust out through a gable end side wall or out through a soffit overhang.
The location of the bathroom will determine how extensive the ductwork will be.
Broan nutone 270 cfm through the wall exhaust fan model 508 119 10 119 10.
Options for venting a bathroom exhaust fan include best to worst.
I recommend that my clients vent their bath fans out a gable wall if at all possible when not using an hrv or erv that is.
Crawling in the attic revealed the connection of four bath fans into one long duct going to a gable vent.
When venting a bathroom exhaust fan make sure to vent the air to the outside rather than into your attic where it can cause mold and mildew to form.
If you vent through a soffit where attic vents are often located the moisture will get sucked back up into the attic or roof venting.
This is the same as venting through a ridge vent or through the roof.
You may be able to configure a short route.
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No matter the location of the bathroom you can vent the exhaust fan through the wall.
The best way to vent bathroom fans is with schedule 20 bell end drain pipe.
Just to clarify my situation the attic is vented by a continuous ridge vent and soffit vents and the gable vents louvered clothes dryer style are exclusively for venting the bathroom fans not the attic.
Ductwork is what will connect the fan to the outside.
However bathrooms that are further from an exterior wall will usually have a longer more complex route.
Condensation will run down and rust the fan and stain the ceiling.
Through the roof or an exterior gable wall.
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