Re: Basement plumbing - wrap DWV?
Posted by ED on June 04, 2004 at 18:36:31:
In response to Re: Basement plumbing - wrap DWV?
I would have a gravel bed supporting at least the underside of the horizontal drain lines. That helps to keep the proper slope intact. That's assuming you do not already have some kind of support for the horizontal drain pipes.

You will want to make a tub-shower box about 12 inches square with the two inch pipe popping out of it if you have installed a trap or protruding out the side if no trap installed. That gives you wiggle room.

As for the other connections, whether or not you put a spacer in around the pipe is up to you. Toilet drain pipes can be cut with a rotary cutting tool from the inside of the pipe outward for mounting the flange.

: I've just finished roughing in the basement plumbing in our son's home - bathroom plus laundry. The horizontal lines will all be covered with soil before the basement is poured. All that will be encased in concrete are the stubs coming up for the drains and vents. Should the stubs be wrapped in something where they will be in contact with the concrete? The DWV system is all PVC leading to a sewerage ejector pit. Thanks in advance for any advice.




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