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-   -   Waste-vent stack (http://www.diychatroom.com/f7/waste-vent-stack-177109/)

mmiller 04-14-2013 09:07 AM

Waste-vent stack
 
Hi,

I have a quick question. When you have a 2 story home or lets say a first floor with more than one bathroom is it normal to have more than 1 waste/vent stack that goes from the roof to the basement?

TheEplumber 04-14-2013 09:32 AM

Quote:

Originally Posted by mmiller (Post 1158901)
Hi,

I have a quick question. When you have a 2 story home or lets say a first floor with more than one bathroom is it normal to have more than 1 waste/vent stack that goes from the roof to the basement?

Let's say it's not abnormal. Stacks are located near the fixtures served. If it's convenient to the plumber to have more then one stack- so be it.

mmiller 04-14-2013 09:49 AM

Quote:

Originally Posted by TheEplumber (Post 1158918)
Let's say it's not abnormal. Stacks are located near the fixtures served. If it's convenient to the plumber to have more then one stack- so be it.

Yes but what if a fixture or two or not close to the stack?

Javiles 04-14-2013 09:57 AM

Did i go back in time, was int this question already asked and re asked. :huh:

TheEplumber 04-14-2013 10:12 AM

Quote:

Originally Posted by mmiller (Post 1158933)
Yes but what if a fixture or two or not close to the stack?

Then you run drain lines to that fixture, and properly vent it.

mmiller 04-14-2013 12:06 PM

Quote:

Originally Posted by TheEplumber (Post 1158943)
Then you run drain lines to that fixture, and properly vent it.

Yes and if its too far from main stack what is the proper way to vent it?

hammerlane 04-14-2013 12:41 PM

2 Attachment(s)
Quote:

Originally Posted by mmiller (Post 1159021)
Yes and if its too far from main stack what is the proper way to vent it?

Either back to the vent stack, above the flood rim of any fixtures on upper floors or run a new vent stack out the roof.

Take your pick.

jsbuilders 04-14-2013 12:41 PM

Quote:

Originally Posted by mmiller (Post 1159021)

Yes and if its too far from main stack what is the proper way to vent it?

http://www.plumbersurplus.com/Prod/S...r/6103/Cat/232

mmiller 04-14-2013 02:59 PM

Quote:

Originally Posted by hammerlane (Post 1159054)
Either back to the vent stack, above the flood rim of any fixtures on upper floors or run a new vent stack out the roof.

Take your pick.

Ok I got that part. Now if you have fixtures that are a long distance from each other is it normal to have more than 1 waste/vent stack?

TheEplumber 04-14-2013 03:09 PM

Quote:

Originally Posted by mmiller (Post 1159166)
Ok I got that part. Now if you have fixtures that are a long distance from each other is it normal to have more than 1 waste/vent stack?

A stack is simply a way to get the waste to a lower level. You could have 6 of them if you wanted.
Consider a slab on grade home- it has no stacks and it probably has multiple ventes through the roof.

mmiller 04-14-2013 05:21 PM

Quote:

Originally Posted by TheEplumber (Post 1159172)
A stack is simply a way to get the waste to a lower level. You could have 6 of them if you wanted.
Consider a slab on grade home- it has no stacks and it probably has multiple ventes through the roof.

I understand that and I am just asking is it common to have more than one waste/vent stack in a house? A slab foundation has no stacks? Why is that?

hammerlane 04-14-2013 06:38 PM

Quote:

Originally Posted by mmiller (Post 1159266)
I understand that and I am just asking is it common to have more than one waste/vent stack in a house? A slab foundation has no stacks? Why is that?

Nothing to do with being common. Has to do with being functional.

mmiller 04-14-2013 06:56 PM

Quote:

Originally Posted by hammerlane (Post 1159318)
Nothing to do with being common. Has to do with being functional.

Is this true that slab foundations don't have waste/vent stacks?

fetzer85 04-15-2013 12:17 AM

You've asked 8 questions, our turn.

Do you have any knowledge of DWV systems?
Why are you trying to find out if multiple waste stacks are normal/common?
Why do you keep repeating your questions?

As already stated, the number of stacks/vents depends on the style of house and the placement of fixtures.

mmiller 04-15-2013 08:34 AM

Quote:

Originally Posted by fetzer85 (Post 1159531)
You've asked 8 questions, our turn.

Do you have any knowledge of DWV systems?
Why are you trying to find out if multiple waste stacks are normal/common?
Why do you keep repeating your questions?

As already stated, the number of stacks/vents depends on the style of house and the placement of fixtures.

Yes I do. This is a forum, correct? Is it illegal to ask these questions? And NO that was not stated before but thanks.


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