Questions tagged [basement]

For questions generally relating to habitable spaces in a home below ground level, and to foundation types that include a space of this type.

196 questions with no upvoted or accepted answers
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2answers
394 views

Should I cut air space in my basement foam board insulation?

I intend to finish a part of my basement following this guideline from Fine Homebuilding and Building Science. In this configuration, the foam board completely contacts the concrete. My conern is that ...
3
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1answer
100 views

Sill plate pushing siding off, causing gap for mice and moisture?

Younger home owner here. I've had water get into my basement a few times last spring in the corner and in this area (directly under my little front deck). The corner was due to no downspout (water was ...
3
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1answer
2k views

Roll-on epoxy over self leveling concrete

Just started cleaning up my basement and trying to make some livable space for cheap. Right now we just have the concrete floor from the foundation, It is not level and it is very rocky ( Not smooth ...
3
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1answer
315 views

Water on block foundation wall

I have water on the top 4 feet of my basement foundation wall. This goes around almost the entire perimeter of the basement. The bottom 4 feet of blocks are dry. Any ideas the cause? Can someone ...
3
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1answer
373 views

How would I install hydronic floor heat on top of a rigid foam insulated basement floor?

I intend to finish a part of my basement following this guideline from Fine Homebuilding and Building Science. There are two options I could come up with for installing hydronic radiant heat ...
2
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0answers
34 views

What is the easiest solution to add receptacle along an unfinished, exterior, insulated, basement wall?

I need to add a pair of receptacles along an unfinished, insulated, exterior basement wall. I want the easiest method possible. I have no plans to finish the basement. I need each receptacle to be on ...
2
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0answers
37 views

How to install drywall on existing basement stairs?

We are finishing our basement stairs, and I'm struggling with how to drywall the side that is parallel and flush against the foundation. Should I pull down the stairs, frame the wall, hang drywall, ...
2
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0answers
62 views

Are bends allowed in a toilet drain above the 4x3 reducer?

I am finishing my basement, which was roughed in by the builder, but I need to move the toilet, since I lost 8" of wall framing in front of the main sewer line, the vanity would be stupidly narrow, to ...
2
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2answers
78 views

Should I insulate metal duct work in basement?

I have a balloon frame house with an unfinished basement. The air handler and furnace are in the basement too. Last fall, we had the duct work removed because it was wrapped in asbestos tape that ...
2
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1answer
78 views

What is this pipe in my basement?

I have a lot of water coming into my basement from a line that is next to where my water pump feeds into. It has been raining a lot lately. I found a pipe in the basement that looks like it could be a ...
2
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0answers
1k views

My whole house has a humming noise 24/7

Drives me nuts, sounds like a low, bass, vibrating sound. We live in the country; the closest house is 500 ft away. The only services on the street is cable + electric which I have turned off at the ...
2
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0answers
104 views

Transitioning between foam insulation and foam board in basement

In our unfinished basement we had floor to ceiling blanket/roll insulation from the builder. Now that we are finishing it, in order to meet R20, we are removing the bulky blanket insulation and going ...
2
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0answers
345 views

Has anyone painted a basement floor with an epoxy during winter with success?

I am getting ready to beane doo some black mastic off my floors. Next I plan on filling any holes (patching), after patching and muriatic acid, epoxy will come next. I have never used an epoxy paint ...
2
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0answers
1k views

What is required to enclose and finish my basement stairs?

I am finishing my basement, including enclosing the stairs: new treads, adding risers, drywalling in the sides. My question concerns structural requirements for the stairs. Photos below for ...
2
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2answers
442 views

Attach XPS to back of stud framing?

In the basement that I'm finishing I have an irregular, rough stone foundation wall, pretty dry. I'll use 1" XPS foam insulation, then drywall. Can I build the framing on the floor, attach the XPS to ...
2
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0answers
226 views

Cracks in basement and garage floors

I'm I home owner and hope someone can help me because I've read so much conflicting information and don't know who else to turn to. I've called General Contractors who can't seem to fit me into a ...
2
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0answers
570 views

Installing a sump pump to reduce relative air humidity

I have a damp basement. There are really no big water issues because the house sits on sloped terrain, it's just damp and musty. I've been running a de-humidifier, but that doesn't seem to be taking ...
2
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0answers
2k views

How to better seal and/or adjust a metal cellar door / bulkhead?

First of all, I am not exactly sure what the door is called. I have a metal outside door leading to steps into my basement. I have always just called it the basement/cellar door but it seems like ...
2
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0answers
1k views

Don't know where lever is to open top latch on steel cellar door

I recently took over my recently passed Grandmother's house and she has a furnace in the cellar. Of course, the furnace went out, so I need access to the cellar in order to fix it. I moved from out of ...
2
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0answers
228 views

how do i plumb this rough-in?

The future bathroom in my basement has been roughed-in by the builder. Spot where the tub / shower goes was covered over by a square plastic tub (a "dap-out", if the spelling I see online is correct). ...
2
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3answers
103 views

Constant humming noise in house

I'm looking for ideas on what might cause the very deep hum I hear in my house when it's quiet. It's been present 24/7 for many years. When I'm alone in the house and nothing is turned on it's ...
2
votes
2answers
43 views

Basement moisture on foundation issues

After taking all sheet-rock down I noticed that all walls (cement block) siting under ground are moist. Some of them even ate through footers. After farther look at the house I found out that their is ...
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0answers
37 views

Basement drain backing up - weird plumbing

My basement drain started backing up and after giving it a good look things look odd and I'm wondering how exactly things are set up. Below is a link to a diagram I tried to make and I'll try to ...
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0answers
65 views

Why is there a large walled off space in the middle of my basement?

I just moved in a couple months back and noticed that this wall was a lot thicker than expected, lots of unaccounted for space. I was honestly expecting to find a body in there :P glad I didn't! ...
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0answers
50 views

Is this a proper way to drain water from flat area under deck so it does not penetrate basement wall?

I have a flat area under a 6 by 30 ft deck in front of my split level house. I am currently replacing the deck boards on this (Pictures are below). The soil underneath this deck is relatively flat and ...
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0answers
30 views

Reducing moisture from semi-finished basement concrete floor

I'm looking for advice for a good way to reduce moisture seepage through my basement concrete floor. My research has turned up several promising approaches: Surface-only treatments Specialty paints ...
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0answers
26 views

Unfinished basement in Georgia townhome; would vapor barrier on interior trap moisture?

I have a town house that is a middle unit on a slab. The back wall is above grade, with exterior windows and door. The sidewalls abut adjacent units, so there is no wall in contact with soil for the ...
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0answers
110 views

What should I be concerned about on this house?

Please see: Is channel in basement standard design? I'm concerned the first block course is being used as a permeable tile when it's not designed as permeable. Is water heater or furnace destroyed? ...
1
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2answers
78 views

Insulating basement concrete walls - anything missing?

Live in Zone 5b, going to shoot for 2" of XPS DOW foam board. Planning on gluing it to the concrete wall with foam board glue and bracing it while it cures. It will run to either the top edge of ...
1
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1answer
144 views

Should a bathtub be installed on a concrete slab or the subfloor that will be installed over the slab?

I am currently finishing my basement and looking to install a bathtub. I have already decided that I will be using a sub-floor in the basement. My question is: Should I place the bathtub directly on ...
1
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1answer
58 views

Drilling into cinder block foundation

My house has a block foundation and water issues, I have a company coming soon to install a perimeter drainage system w/ sump pump and he said he's going to install a mill sheet vapor barrier about 4" ...
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0answers
202 views

How to frame up to basement exterior door

We have a basement exterior door flush with concrete foundation. The front of our bottom plate is about 9 inches away from foundation due to plumbing pipes. We do not want to move the door. We are ...
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0answers
114 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 ...
1
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1answer
54 views

Can I add insulation over the original layer in my new home's basement?

I am looking to finish the basement in my new house that has insulation wrap installed in the basement. The insulation wrap is an R12. After studding the basement can I add additional installation ...
1
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0answers
22 views

Basement has crack over a drain run no water leaking

I'm trying to figure out how concerned to be. Most of the basement has slate tile, but I tore out a kitchen, and discovered this crack running from the nearest wall, to the sink drain, and on across ...
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0answers
264 views

Water/ moisture coming through patched concrete hole in basement floor

We had our walls braced last summer and the basement guys had to drill holes in the floor to push the walls back in to place. They patched up the holes with concrete and I've noticed a few times (...
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0answers
37 views

No Drainage Around Concrete Basement Floor

This question/comment is in regards to the sump pump question I had yesterday. While digging the hole to set my new sump pump basin I realized that there was very little if any gravel under the actual ...
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0answers
338 views

Basement plumbing venting

I am in the process of finishing my basement. There is currently a bathroom roughed in. My question is on venting. There is no dedicated vent stack I can access in the basement. Where is the best ...
1
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0answers
34 views

How do I stop water entering from where the stack meets the wall in the basment?

I just bought a house and everything in it is fine. Untill the other day when there was water in the basment. I initially thought it was related to the washer but I found out it was coming from the ...
1
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0answers
47 views

Sealing basement wall crack from outside

I have a hairline crack radiating from a corner of a window in the basement. This crack weeps water during very heavy rains. I have sealed the crack with urethane injection (Sika Crack Injection Kit), ...
1
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0answers
67 views

Drywall ceiling in basement of multi family dwelling required by IBC

In a multi family dwelling is a drywall ceiling required by IBC in basement area below living area? 5/8 X? Property has 9 dwelling units in Baltimore City which uses IBC latest updates 2017. Area of ...
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0answers
510 views

Substitute for Pressure-Treated 2x3

I'm trying to replace a few sections of rotted bottom plate in my basement. I want to use pressure-treated lumber as it will be in contact with the concrete on 2 sides (and it still occasionally gets ...
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0answers
48 views

Removing Column Footings

I'm working on a basement renovation, and behind the wall I found the steel columns which I expected, but rather than sitting on the concrete slab like the other exposed one, there is a concrete ...
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0answers
100 views

Mystery: Water vanished from flooded basement with no floor drain

I live on a century old home whose unfinished basement got flooded this week. We had heavy rainfall which overwhelmed the city's storm sewer. At a certain point there were about two inches of water ...
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0answers
32 views

Converting basement shower to bathtub

New homeowner here starting his diy life, I have a gross basement shower I'd like to make into a more normal bathroom experience for guests (the rest of the basement is nicely finished). I'd like to ...
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0answers
170 views

Hear water running in basement pipe near sump pump

I recently bought a house and have found clear standing water in back yard and can hear water running in basement but nothing is turned on in the house . I am on a well and have septic. The ...
1
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1answer
358 views

Basement Subfloor — EPS + Plywood

I am planning to take the 1" EPS + plywood sandwich approach to my basement subfloor (pergo on top). I've read conflicting things around the plywood -- is 1/2" ply sufficient? Do I need to do two ...
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0answers
57 views

Basement Floor Cracks

I have very thin cracks in my basement floor and I'm attempting to patch them before trying my hand at acid staining the floor. I've read some differing opinions on the use of hydraulic cement or ...
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0answers
146 views

Sealing fully cast-in floor joists

My house built in 1928 has concrete filled spaces between the floor joists and rim joist. There are gaps in some of them, some 1" wide with most being very small. I suspect these gaps could be the ...
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0answers
65 views

How can I improve a poorly-done concrete patch in a basement slab?

I had a plumber dig a trench to rough-in a bathroom in my basement. The concrete repair was done fairly poorly. It had areas that bumped up higher than original floor. I had them come back to fix it ...