Plumbing Vent Pipe Tip
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@sterr1 Glad you made that comment. Next video I'll scan my Master Plumber license for you. I was a card-carrying Master Plumber for about 20 years before starting my AsktheBuilder column and website.
1 year ago 4
All Comments (72)
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The point was finding a place to tie the vent into to accommodate not moving the shower head. Not the distance from the trap. Those distances are different for several states.
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wont that big kind high for the water to go up
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Why is there no vapor barrier behind the tile board? Or, is that the back of greenboard?
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If it's just a lavatory with an 1 1/4" trap you can drin it right into that tub vent, thus making the vent for the tub a wet vent. The code requires us to increase the pipe size by one size, in this case to 1 1/2" which is the size of the vent in the wall. No need to back vent the lavi at all. The national standard code allows us to vent an entire 3 piece bath on an 1 1/2" vent
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What was Ohio using, the IPC?
Skorlang 1 year ago
@Skorlang Beats me....... Besides large cities like Cincinnati where I was licensed can modify and change the code to their liking. Many local governments modify the codes.
AsktheBuilder 1 year ago
Thanks Tim, I knew that. I was responding to midlantic1's post saying you could vent an entire bathroom on an 1 1/2" vent.
Skorlang 1 year ago
@Skorlang Not too long ago in Ohio you could do that. It would have to eventually tie into a 3-inch vent or larger before exiting the roof.
AsktheBuilder 1 year ago
UPC code requires a 2 " vent on a toilet, therefore an 1 1/2" vent is inadequate for a bathroom.
Skorlang 1 year ago
@Skorlang Correct, but if you're venting each fixture separately then tying into a larger vent, you're fine.
AsktheBuilder 1 year ago