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-   -   basement bathroom venting (http://www.diychatroom.com/f7/basement-bathroom-venting-155910/)

marketbridge 09-05-2012 09:19 AM

basement bathroom venting
 
I was hoping someone could sketch on this photo where they suggest I put vents for this basement bathroom.

i'm not sure if i can get away with one vent, and if so where,
or if I need a vent for each appliance (shower, wc, lav).

thx

https://dl.dropbox.com/u/79088836/pl...2012_00000.pdf

https://dl.dropbox.com/u/79088836/pl...2012_00000.jpg

DannyT 09-05-2012 10:30 AM

if you run a vent up at the lav you will also need one on the drain for

the shower(between the 4 inch and the 2 inch p-trap).

where do you plan to run the vents to?

you can run 3 inch instead of 4 inch.

it looks like there isn't really isn't enough room for everything in this space.

you need a minimum of 900 sq in in a shower(30x30), and that's on the inside.

marketbridge 09-05-2012 10:40 AM

Quote:

Originally Posted by DannyT (Post 1003691)
if you run a vent up at the lav you will also need one on the drain for

the shower(between the 4 inch and the 2 inch p-trap).

where do you plan to run the vents to?

you can run 3 inch instead of 4 inch.

it looks like there isn't really isn't enough room for everything in this space.

you need a minimum of 900 sq in in a shower(30x30), and that's on the inside.

thx. i am venting up to the roof after tying vents together at basement ceiling.

based on the order of the fixtures, if i only put a vent on the lav and the shower, won't the toilet pull the waste out of the p-trap for the sink when flushing and hence allow gases to travel up the sink drain?

TheEplumber 09-05-2012 11:50 AM

Quote:

Originally Posted by marketbridge (Post 1003696)
thx. i am venting up to the roof after tying vents together at basement ceiling.

based on the order of the fixtures, if i only put a vent on the lav and the shower, won't the toilet pull the waste out of the p-trap for the sink when flushing and hence allow gases to travel up the sink drain?

Your lav will be vented- so no
Are you really planning on putting a tee on it's back for the wc? :no:

marketbridge 09-05-2012 01:47 PM

does this look OK?

https://dl.dropbox.com/u/79088836/pl...2012_00001.jpg


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