Questions tagged [rough-in]

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3/4" vs. 1/2" at the Shower Valve Rough In

I have read varying opinions on this. Here's the detail for my install application: House has 3/4" Supply from Street. Somewhere it reduces down to 1/2" to feed existing shower valve. New ...
MFMauceri's user avatar
1 vote
1 answer
60 views

Plumbing Rough Leak Test Method

Just finished expansion pex rough-in new construction, residential, using a water well as service. For the purpose of testing I've bypassed the water heater and temporarily bridged, or connected, the ...
FM2020RI's user avatar
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1 answer
79 views

Help me identify rough pipe please!

Can you help me identify pipe number 1? I have a picture of the inside and not sure what it is and if it needs access. I think I have the other pipes correct... ????????? Vanity Drain Toliet Drain ...
Tim Peterson's user avatar
0 votes
1 answer
663 views

Proper Use of a Mud Ring?

Getting ready to hang the drywall in the garage, it's 5/8" - I'm not confident I have my 4x4 box for the dryer in the correct position. When mounting a 4x4 metal box such as the one in the photo ...
Richard's user avatar
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4 votes
2 answers
790 views

Adjustable Receptacle Box - Drywall Bulging

I’m new to all things drywall. I’m using adjustable boxes for electrical switches and outlets in the bathrooms and kitchen where the finish will be tile. I’m getting a bulge where the mounting bracket ...
Richard's user avatar
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1 vote
1 answer
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Finishing above-ground basement - is there an alternative to moving this toilet drain?

My home is in Northern Colorado, built in 1997, bi-level with an unfinished "basement" that is entirely above grade, with a rough-in bathroom and a small open space that I want to turn into ...
WJTownsend's user avatar
1 vote
3 answers
3k views

Under Cabinet Lighting - Electrical Rough-In

I’m surprised this wasn’t easier to find by 2023, so I’ll ask here to hopefully put a good answer on record. I’m remodeling a small, two parallel wall, galley style kitchen. With respect to under ...
Richard's user avatar
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2 votes
2 answers
310 views

What kind of a test plug to use for DWV inspection

I'm an owner-builder, getting ready for a close-in inspection which includes plugging and testing the DWV system for a new bathroom. I have a standard 3" test ball that I have used as a test plug ...
5000fingers's user avatar
9 votes
2 answers
5k views

Why do I have extra copper tubing connected to each bathroom sink supply line?

What I'm looking at here? This is a picture of my guest bathroom sink, and the hot and cold inlets are each connected to two or three seemingly redundant lengths of copper tubing: My first guess is, ...
mattalxndr's user avatar
1 vote
1 answer
345 views

Basement Shower Drain Rough In

Our basement rough in for the shower drain has it located right where we want it, but it has no p-trap installed yet. I am unsure what I can do to add the p-trap but keep its location. I'm trying to ...
Joseph White's user avatar
4 votes
2 answers
464 views

How do I determine the "finished floor height" in a carpeted room?

I am carpeting a bathroom and would like to determine the finished floor height so I can get the toilet flange raised up as necessary to ensure that the fixture is stable and that it won't leak. How ...
FreeMan's user avatar
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Replacing a terracotta drain pipe underneath the floor

I started to trench to rough in a bathroom in the basement with 2" concrete floor and although the vertical stack is cast iron, underneath the basement floor I discovered the below the CI ...
ecco88's user avatar
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0 answers
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Help me identify the roughed in pipes please

Can you help me identify the roughed in pipes in my basement? A.2" pipe. Buried in the ground. I think for the shower drain? B.2" pipe. Not sure about this one C.4.5" pipe. Pretty sure ...
NanoTTS's user avatar
1 vote
0 answers
75 views

Is this roughed in basement sewer pipe in the right location?

My basement is unfinished but the sewer drains were roughed-in and I have some blueprints of possible layouts when I bought the house (from the previous homeowner not the builder). The roughed-in ...
Lithium's user avatar
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1 vote
4 answers
4k views

Receptacle and Switch Box Placement - 5/8" Drywall

When placing the blue Carlon (non-adjustable) PVC outlet & switchboxes on 2x4 studs, they have alignment tabs that allow proper depth for 1/2" drywall. Several have been set using the tabs. ...
Richard's user avatar
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1 answer
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Need help identifying odd rough-in drains in basement (that don't match anything I've seen online)

The attached photo shows five roughed in drains in my basement. These are in a 55" wide hallway that runs past the under-stairs area and the HVAC area. As viewed front to back: a single 2" ...
vinniesec's user avatar
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2 answers
247 views

Is there an adhesive that I can use to install this PEX tube cover?

The tiles are porcelain The PEX cover tube is like this one Typical installation is like this but I am not sure if the tile is not going to crack in my situation the hole around the pipe is not like ...
MiniMe's user avatar
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1 vote
1 answer
2k views

How to fix drain pipe threads

I'm replacing the bathroom sink in a vintage building from the 30s. The cast iron rough-in pipe no longer has threads. The prior coupler was a 1 1/2" threaded pvc fitting, but it popped right ...
user3080392's user avatar
2 votes
2 answers
2k views

Wiring an AC disconnect during rough in phase of new construction?

What is the proper way to run wire to an AC disconnect box with new construction, knowing that there will eventually be siding on top of a rainscreen? Mockup Here is a mockup of my wall assembly. ...
Kurt Granroth's user avatar
0 votes
1 answer
137 views

Out-Building Plumbing Rough-in layout

I purchased my current property before all of the buildings were completed. As such, I have a 60x80 outbuilding that has the plumbing roughed in for a bathroom, but the bathroom was not installed. I ...
cyclops's user avatar
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1 vote
2 answers
2k views

Exterior Electrical Box for Wall Light - Placement/Stucco

My Question: What is the proper depth of the J box for mounting exterior light fixtures? Should the outside edge of the box be flush, inset or protrude past the finished stucco? My exterior walls are ...
Richard's user avatar
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0 votes
1 answer
941 views

Dryer Vent Rough-In - New Construction - Stucco

I'm a DIY'er doing a complete to the studs remodel. I'm getting tripped up on a minor detail that I would prefer to get right. My goal is to get the dryer vent pipe penetration properly flashed and ...
Richard's user avatar
  • 559
1 vote
3 answers
5k views

What can I do when the rough in hole in my concrete is too large for my toilet flange?

I am finishing a basement bathroom and preparing to lay down vinyl flooring. Before I do that, I wanted to check how my toilet flange would fit sitting on top of the finished floor, and I noticed that ...
djohnson10's user avatar
0 votes
2 answers
2k views

How do you rough in lighting for drop ceilings? [duplicate]

I have a basement office that I intend to put a drop ceiling in. I was also planning to use the can lights that rest on the drop ceiling track itself rather than between the floor joists above. How ...
Joe Phillips's user avatar
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3 votes
2 answers
820 views

How would one plumb two bathrooms from one rough-in?

I am in the planning stage to finish my basement. There is a rough-in with drain for toilet and shower. My plan is to add at least two bedrooms with one being a master. Thankfully the rough-in is ...
Tag's user avatar
  • 319
3 votes
1 answer
531 views

Can NM cable run directly behind a junction box in a wall?

I'm placing a receptacle 43” above the floor. I plan on building a work bench in this area. I’m running some cable and using preexisting holes in the stud, but one of the holes is exactly 43” high. I’...
BlueGuy's user avatar
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3 votes
0 answers
338 views

Identifying Vent in Unfinished Basement & General Bathroom Layout

I am looking to finish my basement and wanted to get validation on my vent tie-in locations. I believe I have correctly identified it in the photo (top right of photo). I believe the builders have it ...
Joe Faber's user avatar
0 votes
1 answer
85 views

How to choose location for kitchen rough-in plumbing [closed]

I'm going to have a new house built, and I want to have roughed-in plumbing in one room for a small kitchen. I need some help choosing a location to tell the builder. I won't be shopping for ...
mrog's user avatar
  • 820
1 vote
0 answers
89 views

Garage catch basin and basement washroom drain pipe connection

I am trying to get a good understanding of the plumbing setup I have in the garage (see attached picture). This catch-basin is located in the middle of the garage. There is a basement washroom on the ...
Vlad's user avatar
  • 31
2 votes
2 answers
2k views

Plastic electrical cut-in boxes with 3/8s tabs

Most plastic home improvement store electrical, single gang cut-in boxes seem to have little plastic tabs / bumps which if used, will set the box 3/8s inch off the studs. We are doing 1/2" ...
maplemale's user avatar
  • 1,086
3 votes
2 answers
107 views

Need Tips for Mounting screw-in Slider electrical Boxes

I know they've been around awhile but I'm still kind of new to them. I occasionally have to mount these Allied slider boxes in new and old work situations, and sometimes they go in perfectly with no ...
Nicknamednick's user avatar
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0 answers
391 views

Should and can I move the gas pipes to make height for bathroom

Trying to add a bathroom to the basement with the builder provided rough in which is next to furnace/heater (located at 10 ft right angle away from electrical boards and laundry) I see that the city'...
N_C's user avatar
  • 227
1 vote
0 answers
31 views

DIY Bathroom Addition Vent and Drain Questions

I am adding a bathroom addition and I need some advice on laying out the drains and vents. The new bathroom will be 8'x 15' and will be slab on grade. When the new septic system was installed a few ...
Walt Ritchie's user avatar
-1 votes
1 answer
479 views

Installing a fiberglass shower in basement

I have an acrylic preformed shower to install in my basement. There is a rough in drain in a 10x10 cutout. I have two questions. The shower hole for the drain is in the center of the shower so it ...
Rward73's user avatar
  • 234
2 votes
2 answers
1k views

How can I reduce a rough opening height 1-1/4"?

I'm building a new master bedroom closet. The wife wants a specific 30x80" door which requires a rough-in of 32x82. Unfortunately, the measurement from the top plate to the subfloor is 83 1/4". I'm ...
GregMa's user avatar
  • 141
0 votes
2 answers
120 views

Rough opening..overthinking?

In the middle of framing my basement, I realized I made a rough opening for a bathroom door approximately 4" too big. I glued m & screwed in another 2x4 to each jack stud to get the opening where ...
EGrant23's user avatar
  • 197
1 vote
1 answer
207 views

10 inch rough toilet but heating baseboard is in the way

Just moved into a new house. Need to replace the toilet. It is a 10 inch rough from the wall, however there is a heating baseboard in the way. There is a toilet there now and the back of the base of ...
user113101's user avatar
1 vote
1 answer
366 views

Check valve seeping around hinge nut - should I replace it?

As a part of my hot water recirculation system, I installed this brass swing check valve about a year ago on the supply side of my tankless water heater. It appears to be leaking just enough to cause ...
Kevin David's user avatar
3 votes
4 answers
1k views

Can I add strips of lumber to studs in a framed wall to meet plumbing hole size limitations?

If you want to fit a 2” PVC pipe with 2.375” OD in a non load bearing wall stud, it needs to be less than or equal to 60% of the width of the stud. i.e a stud which would need to be just over 3.95” in ...
rhl's user avatar
  • 37
0 votes
0 answers
167 views

Toilet drain roughed in to wrong location

New construction home plumbing issue. Architects placed toilet in front of bathroom door. What the heck- that is where the sink should be! We did not notice until slab was poured and we saw the drain ...
Sissy Greenwood's user avatar
1 vote
2 answers
3k views

How wide to trench foundation slab for new plumbing?

What is a good rule of thumb for how wide to cut the trench when adding new drain/waste/vent plumbing to a foundation? Here is a made up example rule similar to what I am hoping to find: Start with ...
statueuphemism's user avatar
0 votes
1 answer
175 views

Do building codes enforce location with regard to plumbing rough-in?

We're building a new home and paid for the rough-in plumbing for a basement bathroom. In the model, (which I have been told is not customizable outside their allotted plans) the roughed-in lines were ...
Brian's user avatar
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1 vote
0 answers
1k views

Electrical rough in

I have 2 question on electrical rough-in 1) For the outlet boxes, do I strip and wire nut the wires or just roll them up and tuck them in for the inspection? 2) For my recessed canless LED lights (...
Derek's user avatar
  • 51
0 votes
1 answer
239 views

Is my Milwaukee drill defective?

I have a Milwaukee M12 Fuel hammer drill I purchased in July. Last week I was drilling holes through studs with a brand new 5/8” auger bit and the drill was constantly stopping due to overload ...
Bob's user avatar
  • 61
1 vote
0 answers
602 views

Minimum Concrete Thickness Over PVC After Rough-In

I just has some plumbing roughed in for my basement. The plumber did an okay job but for some reason routed the drain pipe for the sink under the area where my shower will go. This would't normally be ...
Matthew's user avatar
  • 11
2 votes
1 answer
8k views

How should I run a sink drain around a corner in my basement walls?

I have a bathroom vanity on the wall about 3 feet from where I want to put a bar sink. Is there a way to run the plumbing around this corner? I still need to put a couple studs on the corner for ...
James's user avatar
  • 57
3 votes
2 answers
2k views

Is there any reason that plumbing can't be adjacent to a heating/cooling duct?

I'm installing a utility sink and the only place to put the plumbing (if it's going to be right under the sink) is either directly behind or infront of this vent... Is there any reason not to put it ...
Sarah's user avatar
  • 175
0 votes
1 answer
210 views

Basement Rough In Decipher

Can someone help me decipher the rough in currently in our basement and identify what is what? What else needs to be done to complete the rough in before finishing the bathroom and starting to frame?
Jen's user avatar
  • 1
1 vote
1 answer
701 views

Why would a rough in pipe be under the concrete?

I'm planning to install a three piece bathroom in the basement. We have 2.5" and 3.5" rough in pipes sticking out, while 2" pipe was fully in the concrete. I had to break the floor to see if it was ...
mishap's user avatar
  • 317
0 votes
1 answer
13k views

What is what in the basement rough in

When we bought this house we were told that the bathroom rough in was done. What is the purpose of each pipe/hole? I'm assuming the larger one (blue cap) is for the toilet? Is this all we need to ...
mishap's user avatar
  • 317