Basement Bathroom Venting

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by prashster, Feb 9, 2006.

  1. prashster

    prashster New Member

    Messages:
    941
    I am adding a basement bathroom. I know I need to add an exhaust fan for moisture expulsion, but the question is, what's the easiest way to route this to the outside? What is typical? Through the attic? Through the first floor side wall? How?

    Any help appreciated
  2. brownizs

    brownizs In the Trades

    Messages:
    196
    Location:
    Springfield, IL
    If in the basement, vent out the wall on the side, like you would if you where venting a dryer vent.
  3. prashster

    prashster New Member

    Messages:
    941
    Can I tie the bathroom's exhaust duct into the existing dryer exhaust duct? I have easy access to that pipe. Do they make one-way valves that I can place in each line so the bathroom doesn't vent into the dryer or vice versa?
  4. brownizs

    brownizs In the Trades

    Messages:
    196
    Location:
    Springfield, IL
    Personally I wouldn't, due to the moisture if there is a shower used in the space all the time, would cause the lint to turn into a hard mass, and be a fire hazard. If it is only a toliet in the space, and the exhaust fan is for removing the smell, that could be a possibility. Personnally I would vent with a different outside vent.
  5. prashster

    prashster New Member

    Messages:
    941
    How about venting through the window? My windows are the small, 12"-just-lets-in-a-little-light kind of windows. If I replace the window in the bathroom-to-be with an exhaust fan, then am I violating some kind of 'proper egress' code?
  6. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    21,924
    Location:
    New England
    Don't vent it through the dryer...A window that small isn't considered an egress, so you can do pretty much what you want with it (my unprofessional opinion). You could replace it with lexan, which would allow you to make a hole and still attach the vent without things breaking. You can get it with a UV resistant coating. There'd be still some light coming in.
  7. prashster

    prashster New Member

    Messages:
    941
    FYI, I decided to go through the rim joist of the first floor. I see that's how the dryer gets vented, so I'll just make another hole in similar fashion.
    Thanks for all the comments.
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