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Here's how I'd do it... ;)

As always, pitch the vent as previously mentioned and connect the horizontal vents together at 42-48" off finish floor.

Mark

Use 2" regular 90s where needed.

In terms of limiting the number of elbows you are definitely looking to use the fewest elbows possible.

If needed, they also sell short pattern vent 90s... ;)
...

2" all the way and through the roof 18"-24" if you have snowy winters or 6"-12" through the roof if you are from sunny areas like Florida or California... ;)

Mark

Regular vents are always best... no mechanical parts to fail!

If you can even find 2.5" pipe/fittings then a 2.5" pipe would just barely fit inside a 2"x4" wall and wouldn't leave much wood...

I would suggest that you simply increase the size of the vent to 2.5" if you can find it. If not, 3" pipe on the horizontal will work just fine as well. Be sure to pitch the vent at about 1/4" to...

Hi Adkhkr... been awhile... ;)

You can use the 90s, but most codes allow only 1/3 of a vents overall developed length to be run horizontal.

For example, on a vent with an overall developed...

Hey hey...

When this pops up you want to do exactly what you did... reprime and recement, but then you need to hold it tight... and I mean tight!

Takes a few minutes longer and you may need...

1) Use a regular 4" 90 and DRY FIT the stub up for now. Later, when all is tiled you can put the flange on the tile and measure the piece you need to join the flange to the elbow. Then you can...

The link didn't work Adkhkr... but the neoprene sleeve type is the easist to work with.

In terms of the dapout box... yup! That's the trick with showers... ;)

A plumber would rough in the...

Exactly what I mean...

No problem on the measure error... I've gotten pretty quick at drawing these up... ;)

I don't blame you on the 40" minimum shower....you won't regret that, but it is a tight space, for sure! The...

Hey hey...

Need to end the run in a 4" elbow into a 4" cleanout... run a 4"x2" wye to pick up the kitchen sink.

In terms of the bathroom you want end on the toilet with a 4" elbow and use a...

I'd make a few changes to this... have you installed this yet? Let me know... if not, I'll post a new drawing up and show how I would do it... O.K.? Let me know...


PS: Cardboard will be fine...

You can either cut the 45s and start again OR you can probably just leave the 3/8" per foot in this case. If you need to run the pipe out farther then you can gradually decrease that 3/8" back to...

The cleanout tee is exactly what I was talking about and it should be installed on the vertical just as it comes out of the ground.

The floor drain can be a PTRAP and a strainer assembly, or you...

Funny, Tom.. without looking at your answer I drew up the same thing you recommended by revising his drawing! How's that for cool... ;)

Adkhkr... check out the drawing below. We want you to use a...