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Where to vent bath fan

2150 Views 8 Replies 4 Participants Last post by  AllanJ
Adding a 2nd fan to bath inside the shower.stand up shower all enclosed.. the toilet is in a seperate room with a fan. My home inspector advised adding a fan inside the shower.......... i can vent a few ways not sure which one is the best way..I can go straight up about 3' and do a roof vent, or cut a hole in the plywood to access open area where the porch is which is covered by the roof as well... i would add a vent in vinyl facing downwards to porch
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If you are confident in your roofing skills, go up.

Note: If you live in a really windy area, the wind will want to come in thru the vent and make it rattle. The proper type of roof vent will help. I made this mistake in my cabin by using a standard T top vent and it noisy as heck when the wind kicks up.

Go thru the wall if it's easier and lands in an acceptable place.
very windy on a hill and about 15 acres behind me open.. always a breeze here...... roofing skills never done anything... caulked around roof vents to fix a few leaks is about it ... was going to drill hole then saw zaw away

how about something similar to this?

http://plumbing.hardwarestore.com/5...m=cpc&utm_term=602030&utm_campaign=googlebase
That will work as long as the prevailing winds don't blow directly into the opening.

If you penetrate the roof, it will leak. :yes: Vent it out thru the wall
so put a hole in vinyl and face down towards porch?
That will work.....and the roof won't leak.
sounds good thanks for the input!
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