1. Uncgdc04

    Basement subfloor...again

    Hi all, I've read the numerous discussions about installing basement subfloors, and have especially appreciated the advice in the other threads provided by Dana. I have extremely limited headroom in my basement so I have decided on the following for the subfloor: a) 6 mil poly on slab, seams...
  2. Kenperko

    Basement Bathroom - new pipes under wall, or next to?

    I'm adding a basement bathroom, and wondering what's the best practice - to put new pipe runs in concrete under partition walls or next to them. It seems like for stubbing up, it would be better to have the run under the wall so that you don't need to have a 45 or other bend to get the pipe over...
  3. MAYOR

    Basement Plumbing Venting.

    Hello, Basement bathroom setup under concrete. Please see sketch. Will the 2" vanity sink wet vent be ok to vent toilet and shower as shown. Thank you Mayor Please see sketch.
  4. Jetboy55

    Basement floor drains, what are they?

    Hello everyone. I have these 4in floor drains in what is original rough in on my 1964 Wisconsin foundation. I want to know for sure what they are, as I plan to use the one on the right for a tub. I believe the one on the left by the water meter (with iron cap) is the cleanout for the street. The...
  5. DeRun

    Need Help! Adding Shower to Basement Half - Drain and venting

    Hi. Noobie here and thanks for the add! I'm a DIYer and want to add a shower to the half bath in basement. Not sure how to add drain line and vent. Please see pic attached. Red arrows show toilet and sink drain direction under slab. The blue circle shows where the copper vent meets slab...
  6. Jay S

    Planning slab penetrations for a basement bathroom

    I'm planning new construction, my questions involve a basement bathroom w/ a tub, shower, wc & vanity as shown. First 2 general code / best practices questions which reveal my level of experience... 1) Since 3" or larger pipes are called for under slabs, does that mean traps under basement...
  7. Katehis24

    Basement Plumbing Layout (New York Code)

    Hey guys, I'm redoing the plumbing in the basement bathroom since it was never vented properly. I cut all the existing pipes out. I re-connected a new 3-inch pvc into the existing 3 in pvc that led to the stack that goes to the street. I would like to know if everything is up to code for NY...
  8. Blollum

    Basement sink pump venting

    I am putting in a bar room with sink and 1/2 bath in my basement. My plan is to use a Zoeller 105 pump for the sink. The 1/2 bath will have a vanity sink going to a Saniflo Sanicompact upflush toilet. 1.) 1/2 Bath: my understanding is that the bathroom sink can connect to the Sanicompact...
  9. ThatGoogleGuy

    Basement rough in plumbing questions

    Long time reader - first time poster. Thanks in advance for the advice! I'm framing a basement for a friend. The house is only 11 years old, I'm impressed by the builders work, the entire house is plumbed with pex and has a very detailed manifold where practically every fixture is a homerun...
  10. Frankiek3

    Plan for Basement Bathroom and Expansion for Future 2nd Floor Bathroom

    IPC 2015, All PVC Existing 1st floor full bathroom, adding a basement bathroom, and plans on a future 2nd floor full bathroom. The basement septic pump I'm going with requires a 2" waste and a 2" vent pipe. The plan is to tie-in the vent with a 2x2x2 sanitary tee above the bathroom sink flood...
  11. Richtdow

    Sump Pit Design and Necessity

    Yesterday after a couple days of rain ending with a particularly heavy bout, my basement had a couple of inches of water in it from hydrostatic pressure. This happened once before two years ago under similar conditions. Since then I worked my surface drainage around the house (ground level...
  12. nabbasza

    Advice on routing new sewer pipe through garage

    I recently purchased a house built in the 1940s with some side sewer issues. Rather than digging in a couple spots at the back of the house to reline the problem segment and continue using the existing side sewer to the street, one bidder (which comes well recommended and reviewed) advised...
  13. Brian Kehlmeier

    Apprehensive about replacing my basement's interior drain tile

    I get leaking in several cracks in my basement's poured foundation walls. The sump pump has water draining to it and it works well. I received a quote for 126 feet of interior drain tile to be replaced is $12K. My current drain tile is white 3" PVC. Before replacing it, is it common for...
  14. interplexr

    Oversize finished basement return, pull air from floor above

    I’m currently reworking my HVAC for finishing my basement. The house is ICF and well sealed/insulated. I have a single unit for the whole house. Manual J calcs show my existing unit is adequate for the house including the basement addition. I’m relocating the unit from one part of the basement...
  15. s00316

    Water Softener Backwash connect to sink drain

    Please see the photos. So my basement does not have any access to drain pipe. I had to bring the discharge to 1st floor bathroom as you see on the photo. I know the current connection is very wrong. So I was doing more research and tried to figure out what would be the right solution. I came...
  16. TroyS

    Which drain pipe to use?

    Hi all, I am adding a bathroom to my basement (it is already stubbed out for a shower, toilet, and vanity). However, where the vanity will go there are 2 DWV pipes next to each other, and I'm not sure which one I would need to drain the new sink to. Can I use either one? I'm sure there's a...
  17. Tom Hafemann

    Basement shower drain questions

    Hello all, I am putting a bathroom in my basement. Everything was plumbed in when I bought my house except for the shower drain. So it has been "my pleasure" to tear up the concrete to put in the drain. The main 3" drain wasn't exactly where I thought it was going to be, so it is going to...
  18. Mike Vavricka

    Basement Radiant Floor System Boiler

    Hello, I am finally diving into utilizing the pex tubing in the slab for our basement versus the duct work from the forced air gas furnace. After finishing the basement last winter and spending more time down there this winter we would like to improve the comfort level during the heating...
  19. King777

    In a tight spot with Venting a bar sink in basement

    We're adding a bar sink into the basement of our house while we are finishing it. The location is at a place where we can attach to the drain just fine. The issue I am running into is that I am not able to or clearly almost impossible to connect to an existing vent on another end of the basement...
  20. jtforester

    Adding Hydronic Baseboard to Basement

    Hello, I'm adding a heat zone to my existing boiler to include my basement. The space is 24ft x 30ft with a garage on one 24ft side, one 30ft side above ground (mostly), one 30ft side underground and the utility room adjacent to the last 24ft side. I've used the Slatfin app to calculate the...
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