Rabu, 01 Desember 2021

Stub Out Height For Bathroom Sink

Admin Desember 01, 2021

Stub Out Height For Bathroom Sink

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Dumb Question - Easy Answer
Author: cnl390 (TX) Is there a set height that the waste line rough in for kitchen sink and bath vanity & how far should the PVC stub out from the finished wall.
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Re: Dumb Question - Easy Answer
Author: packy (MA) there are no dumb questions, only dumb answers. the height of a kitchen drain should be low enough to accept a garbage disposer, whether one is planned or not. that height is approximately 14" from the finished floor. with a vanity, there is a little more tolerance. i usually use 19" as a height. the length of pipe sticking out of the wall is generally only a couple of inches.
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Re: Dumb Question - Easy Answer
Author: jjbex (IL) If the water pipes come up thru the floor, I don't stub the drain out. If the hub of the tee isn't going to stick out into the drywall, I dryfit a short piece of pipe in the hub. The sheetrockers have to cutout around it, and the carpenter can pull it and drop the base or vanity over the water pipes, without getting hungup on the waste lookout. I rough the kitchen at 14" above the floor, right on center and the vanity goes in at 19 or 20, 1bout an 1-1/2" off center. That way the linkage for the pop-up assembly won't hit the p-trap. An 1-1/2" tubular p-trap will swing 3". ------------------ "You can't get there from here" Berry/Buck/Mills/Stipe Edited 1 times.
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Re: Dumb Question - Easy Answer

Author: jjbex (IL)

If the water pipes come up thru the floor, I don't stub the drain out. If the hub of the tee isn't going to stick out into the drywall, I dryfit a short piece of pipe in the hub. The sheetrockers have to cutout around it, and the carpenter can pull it and drop the base or vanity over the water pipes, without getting hungup on the waste lookout. I rough the kitchen at 14" above the floor, right on center and the vanity goes in at 19 or 20, 1bout an 1-1/2" off center. That way the linkage for the pop-up assembly won't hit the p-trap. An 1-1/2" tubular p-trap will swing 3".

------------------

"You can't get there from here"
Berry/Buck/Mills/Stipe

Edited 1 times.

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Re: Dumb Question - Easy Answer
Author: Vinyard Plumbing (CA) Depending on whether you roughing it in fo ADA compliance or not each fixture manufacterer usually supplys their suggested rough in measurements. if not, like a vanity set, packy has you covered. As for the length of the trap arm leave it about 6 inches or so and cut off the extra where you need it after fininsh wall is done. If its being Inspected, you'll need to cap it off for the head test. Depending on how you cap it you may want room to cut the cap off. Ty,
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Re: Dumb Question - Easy Answer

Author: Vinyard Plumbing (CA)

Depending on whether you roughing it in fo ADA compliance or not each fixture manufacterer usually supplys their suggested rough in measurements. if not, like a vanity set, packy has you covered. wink

As for the length of the trap arm leave it about 6 inches or so and cut off the extra where you need it after fininsh wall is done.

If its being Inspected, you'll need to cap it off for the head test. Depending on how you cap it you may want room to cut the cap off.

Ty,

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Re: Dumb Question - Easy Answer
Author: cnl390 (TX) You guys are great, thank you very much.
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Re: Dumb Question - Easy Answer
Author: hj (AZ) No. As much, or as little, as necessary to make the connection to the sink's drain.
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Re: Dumb Question - Easy Answer
Author: Rockfox (CO) Is this the same guideline for any rough-in? I would assume a good rule of thumb would be "leave it extra long" and then cut it down when it comes time. Sounds like a waste of material, but thats what I am planning to do with my basement bathroom since I am not 100% sure yet how thick the finished floor will be. Rocky
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Re: Dumb Question - Easy Answer
Author: Vinyard Plumbing (CA) The first time your short you'll wish you would been a little more generous. May not be room for a coupling should you have been a smidgeon off, or things change or something was overlooked. T. Vinyard
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Re: Dumb Question - Easy Answer
Author: hj (AZ) That is not always a good idea. Bathroom sinks for example may need to have the connection almost flush with the wall to allow room for the trap and cover flange. If the pipe is left long and then cut off the stub could still be too long to permit the connection. I usually dry fit a piece of pipe into the tee and then install the proper length, or possibly a street trap connector after the cabinets are set.
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Re: Dumb Question - Easy Answer

Author: hj (AZ)

That is not always a good idea. Bathroom sinks for example may need to have the connection almost flush with the wall to allow room for the trap and cover flange. If the pipe is left long and then cut off the stub could still be too long to permit the connection. I usually dry fit a piece of pipe into the tee and then install the proper length, or possibly a street trap connector after the cabinets are set.

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