Basement Bathroom Exhaust Fan


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Old 11-24-14, 02:38 PM
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Basement Bathroom Exhaust Fan

Our basement was completely gutted to be waterproofed. In an effort to renovate it now, I would like to have a full bathroom installed. It seems the most cost effective location is directly under the kitchen and bathroom on the main level, and where all the plumbing is primarily located. It would be in the center of a south facing wall that also has the plumbing for the washer and utility sink along it. The wall used to be an exterior wall but years ago, a family room was added to that side. The joist run North/South. It would be minimum 20 feet to run duct work between the joist to and out of the North side of the house. The home is a cape cod style with a barely 7' height to the exposed joist. There is currently no ceiling and I'm considering leaving it that way to keep the height. Although, the bathroom ceiling will be closed up. But would 20' of duct work be a problem for an exhaust fan? I feel the moisture would not evaporate or escape properly. Are there other options?
 
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Old 11-24-14, 03:02 PM
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There are bath fans that can handle a longer duct. Most cheapies are killed by a long duct but there are ones that can do it, you'll just have to pick the right fan.

I feel a vent fan is absolutely necessary especially if the show will get use. Without a vent fan removing all that moisture will be difficult. I have a few bathrooms in my rental houses that have to vent and peeling paint and mildew is a constant problem so I would do whatever it takes and install it now that you have the chance.
 
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Old 11-24-14, 04:06 PM
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Gutted to be waterproofed? Someone is giving you a snow job. Waterproofing is done from the outside.
 
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Old 11-24-14, 07:22 PM
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Pilot Dane: So then the 20' run of duct work will be ok as long as I get a "powerful" exhaust fan?
 
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Old 11-24-14, 07:31 PM
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Pulpo: It was gutted because of mold and to install a drainage system all around the perimeter. The 60 year old home had never had a sump pump and would flood occasionally. The home sat vacant for a few years with no one addressing the basement when water got in, hence the mold.
 
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Old 11-24-14, 09:57 PM
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That's not waterproofing. At best that water management & cleaning.
 
 

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