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.

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54 views

Do I need so many fasteners and an edge gap for a basement subfloor on concrete?

I'm getting ready to install subflooring in a residential basement, which currently has exposed concrete slab. The concrete is well-cured (50 years) with no moisture problems. The plan is to lay down ...
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1answer
55 views

Basement walls above grade are wet outdoors after rain

I would appreciate any tip, help on diagnosing the symptom below. Been searching online to help diagnose symptom of "wet patch on exterior wall after rain". Did find several useful resources, ...
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55 views

How can I change planes with a row of copper water pipes?

I have five 3/4 copper water lines coming into my mechanicals room along the ceiling - so they are nicely lined up in a horizontal plane, parallel to the plane of the ceiling. However, our manifolds ...
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90 views

Do these materials typically contain asbestos?

I’m new here and a new home owner. Just purchased a condo in a two family unit. The condo was converted in 2005 and the home was build in 1923. As I’ve been cleaning up and doing odds and ends and I'...
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2answers
196 views

Does anyone know what this metal thing in the corner of my basement is?

I don't know what it is. It's sticking out of my wall. Does anyone have any ideas? It looks like a piece of metal. And lately, I've seen some dampness and water pooling on it a bit. And the area where ...
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1answer
40 views

Sister 2x10 joist with a 2x8

We are looking into continuing work on our story duplex basement. Our basement in most areas is anywhere from 6.1 to 6.5 feet. I am looking to gain an additional 2 inches of head room. Right now the ...
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1answer
33 views

Basement shower construction, 2 parts!

Question one: I have a 5 inch cast iron drain pipe roughed in. Is there an adapter to put on the drain to get it down to 2 inches??? Without me having to bust the floor up and change it ...
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1answer
12 views

Framing a knee wall in front of a 1/2 height foundation wall with windows

I have a light basement with 3'6" foundation walls with windows framed above. The finished height of the window sill is 5" above the concrete sill. I want to frame a knee wall in front of the ...
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1answer
37 views

Basement framing around finished window

I'm framing my basement using steel studs. I have this sliding window on the window well (see picture) that already has a finished framing all around and is flush with the concrete wall. How do I ...
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2answers
62 views

Should I level my basement floor if installing a subfloor?

I'd like to install a subfloor in my basement including that dimple stuff to allow moisture to dissipate. Currently, it has sheetrock walls and trim with painted concrete flooring, but that's it. A ...
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2answers
47 views

Sewage pump sounds like running dry

We have a sewage pump in our basement. We didn’t install it but inherited it with the purchase of the house. I believe the basement was updated in 2014 with a bathroom, hence the sewage pump. The last ...
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1answer
49 views

May I block off all windows in a mostly below-ground basement?

I have read Is it necessary to put a special egress window in a basement bedroom if there's already a window above ground. My situation is similar but different. My basement has a furnace, a ...
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1answer
37 views

How should I insulate basement walls and floor after water mitigation?

I've an unfinished 1k sq ft basement in Chicago with 10 inch cement foundation walls. I'll be creating a family room, bedrooms, bath, etc. I have water coming thru the floor--so Im adding drain tile ...
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1answer
43 views

Repair basement stud walls after french drain

I had a french drain / water management system in my basement to deal with leaky walls, and as part of the installation the contractor had to cut in around my foundation. To give themselves room to ...
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3answers
1k views

Replacing 2-prong outlets in basement - existing wiring has two hot wires, one neutral?

I'm replacing the two-pronged outlets in my basement with 3-pronged grounded outlets in the United States (Illinois). All the wiring is in metal conduit with metal conduit boxes, which are grounded ...
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1answer
28 views

How to extend ductwork a few feet due to soffit

I built a soffit around my ductwork in the basement. There was originally air vents coming out of the ductwork to heat/cool the basement. However, with the addition of the soffit, the vents are now ...
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1answer
55 views

Is it normal to have flooding in basement after radon mitigation system installed?

I have been experiencing flooding in my basement. I think the water is coming from the pipe installed in slab for radon mitigation. I don't believe the basement was flooding before (I just closed on ...
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1answer
53 views

Foundation flooding caused by new septic line

We've been living in our house for 10 years, and a few years after moving in our sewer line began backing up every 6 months or so. Each time, we'd have to pay a plumber to come in a "roto root" or ...
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1answer
44 views

Safety concerns and precautions in setting up a workshop/studio in the utility room

I am considering setting up a workspace/studio in my utility room in the basement, which has a hot water tank and two furnaces. Here are the warnings on those units. Hot water tank: Furnaces: I ...
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2answers
57 views

Dark (damp) spots on concrete basement floor

I live mid-block (houses on both sides), in a 1906 city row house with brick basement walls and a cement floor. We never have water in the basement. We have dark spots that get lighter and darker but ...
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21 views

Interior Wall French Windows

Does anybody know where I could find, reasonable priced, french windows that I can use in an interior wall for my finished basement? (Toronto area). That means both sides would look the same. No ...
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1answer
56 views

Two Egress Windows, One Window Well

I am intending to cut out two egress windows in the side of my house. Instead of digging 2 holes, I was hoping to dig one and cut both egress windows within the same well. The well will be built with ...
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3answers
50 views

Does Homeowner's Insurance Typically Cover A Broken Well?

My well is horizontally fed through a wall in my foundation. It recently rained a lot and I believe the pipe that feeds my well has been cracked. I had to cut the power to my well pump in order to ...
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3answers
90 views

How to run 10/2 THHN outdoor wire in finished basement along ceiling?

I need a 220v (intermittent load will be 14 A max) single phase outlet about 30 feet from my distribution panel in my finished basement. The distribution panel is outside on the first floor. I do not ...
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5answers
106 views

Should bottom wall plates in a basement be treated lumber?

Question for those who are well versed in framing and then maybe some code as well. I got into a discussion the other day between a couple other trades, they were suggesting I was wasting my time ...
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1answer
38 views

Keep and patch, or replace white rigid foam during basement remodel?

I'm removing old wood paneling and drywall which is glued to (what appears to be regular Styrofoam) foam board, which is glued to a cinder block basement wall. The goal is to add more insulation (2x4 ...
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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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3answers
74 views

What's the best way to keep humidity down in crawl space?

I have a nominally dry crawl space that is around 22' square and about 4' tall with a concrete floor. It has no indication of leaks and is dry, but too moist during the hot Maryland summers to keep ...
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0answers
75 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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1answer
43 views

Replacing rotted out window sill in basement block wall

Long story short - the previous owner hired a crackhead to pave over the dirt driveway. The guy ended up raising the grade beyond the basement window sills on one corner of the house, and here's what ...
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2answers
47 views

Would an opening to the outside help me dry out a basement?

I had a hot tub problem which resulted in huge amounts of water gushing out into the yard. This happened a couple of times. (Hot tub repair company from hell.) The hot tub is situated a few feet ...
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2answers
74 views

How can I prevent water from running off a patio to my foundation?

My house has an abandoned concrete patio at ground level. Previous owner built a 12'x 12' wood deck 14" above the concrete patio. I have rain water getting in my basement where the concrete deck ...
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3answers
87 views

Installing outlet receptacle in unfinished basement furnace/water heater room

Recently bought a house with a furnace/water heater utility room in the basement surrounded by a bedroom and playroom space. We just had a water filtration system put in this room that requires a plug....
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20 views

I want to make sure the basement bathroom is plumbed correctly

Going to tap into the sewer line in the basement for a new 3/4 bathroom. Can I run a 4" branch to the toilet and have two 2" wye connections for the shower and vanity? Below shows the sewer location. ...
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3answers
189 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 ...
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1answer
49 views

Window Manufacturer - Anyone recognize this window?

I am trying to find the manufacturer of this window or anyone that sells it. I'm in the northeast (NY). It's set in a poured concrete foundation. The glass only has "strips" on either side (which ...
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1answer
53 views

How can I determine if moisture in a basement is due to condenstation vs intrusion through walls?

I have a 1902 house built upon a limestone foundation, and I am interesting in finishing a portion of the basement to build a home office. Before I build anything though, I want to make sure I do it ...
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1answer
33 views

How to best cover corrugated plastic along basement wall without affecting the catching of wall water?

We recently had the drain tile replaced in our basement. We are in the process of putting in vinyl planks in the unfinished portion, and have these black plastic correlated pieces lining the walls. ...
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2answers
193 views

What are the black spots on my basement ceiling?

My house is one year new construction. I didn't use the dehumidifier at the basement until one month ago I realized the basement was damp and there were some mold on the wood frame on the basement ...
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0answers
59 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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1answer
78 views

Found sunflower seed shells in fiberglass insulation and wired set up in basement

I found some sunflower seed shells inside of the fiberglass insulation in my basement storage wall. And, also there install a little wood stuff (refer the pic-2) in front of fiberglass insulation ...
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1answer
67 views

Basement Finishing- rough in plumbing identification

I am currently planning out the framing portion of my project and I am trying to figure out what is what with the rough in plumbing you see in the picture. I don’t have any plumbing experience and ...
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2answers
43 views

slab heat pipes and radon reduction

My house has slab heat and the pipes come out of the dirt and go to the heating unit. This is located in my basement and I'm wondering how to seal it to help reduce radon entering the house.
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1answer
55 views

How should I address water seeping into basement?

I just bought a house that was built in the early fifties, with an unfinished basement. Recently, after a heavy rainfall, some water leaked into certain parts of the basement (see photos). This is a ...
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2answers
73 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 ...
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2answers
7k views

What's the 1 inch square knob sticking out of the wall?

I noticed there is a square knob sticking out of my basement wall. Does anyone know what this is?
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1answer
45 views

How much does EMT conduit installed vertically on a poured concrete interior basement wall have to extend beyond the top of the concrete?

I'm installing outlets in my basement on poured concrete walls and will be using EMT for conduit. How high over the top of the concrete walls must the conduit extend? The original wiring has conduit ...
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0answers
52 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, ...
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1answer
153 views

What is this panel in basement wall of 1940s house?

When I removed a cabinet from our basement wall today I discovered the panel in the photo below. The panel is metal, approximately 2 ft wide and 1 ft high. It has five 1.5 inch holes in it, each one ...
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34 views

epoxy paint in the basement with a wood stove?

is is safe to paint my basement floor with epoxy paint with having my wood stove down there? I wanted to paint my basement floor with epoxy for the purpose of not having to repaint it each year but I ...