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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1
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1answer
66 views

How to properly ventilate a finished basement?

I am trying to understand what is the proper way to ventilate a basement. I have a finished basement which if not ventilated starts to smell ..like a basement :-) and I don't like it. If I run the ...
3
votes
2answers
78 views

What Cement Based Product Is Used for Smoothly Finished Floors?

I recently replaced a floor drain in my basement around which I had dug out the concrete, gravel and clay soil. When I sealed it back in, I laid down a bed of gravel and sand, and then used a ...
0
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1answer
73 views

Transparent screw-on 6" cap for PVC pipe

I got a backwater valve installed in my basement. The water table was high, so I could not use a backwater valve with a see-through cover; I had to use a valve that is typically used for outside ...
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0answers
50 views

Creating 1" Air Gap between foundation wall and fiberglass batts

We just bought a house in Calgary, AB, Canada and noticed that the basement is below grade and is insulated with fiberglass batts. There is no drywall at the moment; hence, I have access to the vapor ...
2
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1answer
3k views

How can I stop this water from entering my basement?

I have water issues in my basement - as you can see, it comes in via some cracks between my basement floor and the concrete pads that the washer/dryer sit on. I am working on fixing the problem ...
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0answers
25 views

Basement shower with Redgard & Kerdi drain

We're adding a shower to an existing basement bath rough-in. Space is tight and we are planning to use a combo of Redgard and a Kerdi shower drain to save money/space/time. Trying to use only a ...
1
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2answers
59 views

Painted sample areas have different sheen than the rest of the wall

I recently finished my basement. Had the drywall textured. Painted three sample areas of different paint colors I was trying to decide on. I decided on one and got the paint from a different paint ...
0
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1answer
36 views

Vapour barrier for basement garage ceiling

To make the floor of a bedroom above a garage warmer it is desireable to insulate the garage ceiling. Does a vapour barrier go up in the joists against the floor above since the house would be ...
1
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1answer
152 views

basement sump pump water level above drain tile

We bought our house in December of 2015. House is situated at bottom of the slope (backyard is slopping towards the back of the house not very steep - but still negative slope). House has sump pump ...
0
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1answer
45 views

What is this 2" Diameter Hole in Basement Foundation Floor?

I am wondering what this hole in my basement foundation floor is for, and if I can cover it up or just put a plug in it. I am aware of one other similar hole (carpet is covering it though) on the ...
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2answers
105 views

3/4 bath plumbing expectations

I'm hoping someone can help me figure out the following. I paid my home builder to plumb a 3/4 bath in the basement. As we got close to closing they finally cleaned up the basement and gave us a ...
0
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1answer
176 views

Collapsing wooden basement walkout

The issue: We bought a house, built around 1985, but it has this extremely poorly built walkout from the basement. It looks like the builder's "solution" for drainage was a bent piece of tin ...
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0answers
29 views

backwater valve: flap on top vs flap on bottom

I am getting a backwater valve installed in my basement (so the backwater valve should be easily accessible). There seems to be two models recommended by the people I got quotes from, one with the ...
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0answers
36 views

Open-bottom access box for a backwater valve in basement

I am getting a backwater valve installed in the basement to prevent sewage backups. The contractor will install a backwater valve (something like this) enclosed in some access box (something like this ...
3
votes
3answers
58 views

Are hairline cracks in basement concrete floor a problem - no water coming in

I notice quite a few hairline crack in my basement concrete floor. I've lived here for 14 years and no water has come up through the cracks. The townhouse was built in 1999 (so it is not a new pour). ...
0
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0answers
41 views

How to fill soil void along basement wall?

The previous homeowners did not keep up with the downspouts and some erosion occurred. All of the drains to the street are great and I have reconnected the downspouts to the drain pipes; some were ...
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0answers
25 views

ground water in old coal store

Hi my old coal store in cellar leaks ground water when it rains. Rest of my cellar is a converted kitchen and bathroom. House is over 100 years old. I have damp proofed with liquid rubber, tanking tar ...
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4answers
100 views

How to level out or grind down concrete basement floor?

I had a french drain installed in my basement and the top of its cement sits around 1/8" to 1/4" of an inch higher then the rest of my basement floor. I need to somehow level this out so I can put ...
3
votes
2answers
119 views

Should I bother to flip basement ceiling insulation that's on backwards?

the rolled faced insulation on the ceiling of my unfinshed unheated basement is on backwards(vapor barrier facing down instead of up towards the 1st floor),1st floor is uncovered hardwood. Insulation ...
0
votes
1answer
46 views

Dehumidifer outside to dry inside

I live in a tiny place. I recently found a dehumidifier that could be placed outside. It has sensors that can be placed inside and connect to the dehumidifier. Does it make sense to put the ...
0
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2answers
43 views

Install carpet tiles over laminate in basement?

We currently have laminate flooring in our basement, which appears to be installed directly on the concrete floors. We haven't noticed any moisture issues in the 3 years we've been here; we had some "...
1
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1answer
79 views

Can I trim the plastic sticking up from edges of my basement wall?

Original question: Before we bought our house, a moisture control system was installed on one side of our basement. The channel runs along the foundation and ends at a sump pump. This channel was ...
3
votes
1answer
97 views

basement subfloor - do i need sleepers for this solution

I'm going to install a basement subfloor. I want to follow option 3 from this site: http://homerenovations.about.com/od/additions/a/BasementSubfloor.htm. A nice option because the foam insulation ...
2
votes
1answer
2k views

Sump pit filling very quickly from inlet pipes

In October, I bought a large home with a sump pit in the basement. The previous owners had a sump pump but left it shut off (unplugged). I bought the house three months before moving in, so the pump ...
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0answers
19 views

Chimney removal/patch at basement floor

I recently demolished a chimney, for time and lack of energy I stopped just above basement floor level. I also was a bit surprised that the bottom of the bricks goes below the top of the basement ...
0
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0answers
27 views

Basement Floor Installation - Do I need a subfloor or can I use underlayment for warm floor

Live in Vancouver, BC. I'm in the drywall phase of my basement project and we would like to put down vinyl flooring. My unfinished basement has been ultra dry for the last 8 years as it has great ...
1
vote
1answer
61 views

Should I do something about these cracks in the basement wall?

I noticed some cracks in my basement wall that are bulging out. Also, there are some patches and a vertical line near the corner where the material (I think it's plaster over the cement) is ...
36
votes
8answers
82k views

Should I use a subfloor for a finished basement's floor?

We are refinishing our basement and have not yet decided what to do for the floors. Part of the basement will be tile, and we are all set. However, the rec room side is going to be carpet. The ...
4
votes
2answers
10k views

Can a washer and dryer be next to a water heater?

I have a GE gas dryer (DSXH47GGWW) that is currently next to an exterior basement wall. I'd like to move it to the opposite wall (shared with the crawl space) right next to the water heater next to ...
0
votes
1answer
308 views

Water in window well flooding basement

The windows in my basement are close to 12 inches tall, not going below ground level. There is a shallow window well made from old 2x4s framing a depression adjacent to the window. We have been ...
2
votes
3answers
275 views

Pros and cons of painting cinder block in basement?

I have owned my house for 5 years. The outside wall of the laundry room in the basement is unfinished cinderblock. The cinderblock wall looks a bit unsightly, with dabs of paint, and the rough ...
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0answers
79 views

Is this stairway wall load bearing? If so, how should I modify it for a nook? [closed]

I'm the in beginning stages of finishing my basement in my new Utah town home. I want to build a nook under the stairwell (see pic). I need to establish if the stairway wall/framing is load bearing......
1
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1answer
36 views

Repairing (Aesthetically) a rusty washing machine and dryer

I've recently purchased a home with a washer and dryer that were left on the basement floor without any padding underneath. The washer and dryer have both rusted near their bases, and the dryer has ...
4
votes
2answers
220 views

Basement shower tiled floor not sealed by builder what now

So I have recently had a tenant move out and have found water damage around the basement shower floor. Looks like black mold so I started ripping it out. Now I am at the point where I have found ...
0
votes
1answer
51 views

Does Ductile Iron Rust?

I am in the middle of replacing a drain in the concrete floor of my basement. I'm replacing it because the current drain is terribly rusted, and was quite crooked in terms of not being flush with the ...
7
votes
1answer
56k views

How do I calculate the size of electric baseboard heater needed?

I'm working on finishing our basement which does not have any duct work to tie into for heating, so we're planning on using electric baseboard heaters. How do I calculate the needed size of heater ...
0
votes
2answers
67 views

Exchanging air in basement

Live in nepa, have goodman 4 ton heat pump w/propane back up. Foam insulated about 1200 square feet that I want to heat. I am at the end and ready to put up the dividing wall.I have 2 returns and 3 ...
0
votes
1answer
50 views

How to attach wall on top of french drain in basement?

I am in the process of finishing my basement and had an interior french drain system installed. I now want to start putting walls up but am unsure how to attach them on top of the french drain. I ...
0
votes
1answer
101 views

What are my options for a basement floor drain?

I'm in the process of finishing my basement and I'm trying to figure out what to do about the existing floor "drain" by my furnace and water heater. Frankly it looks like it's just a whole cut into ...
2
votes
2answers
100 views

Making sense of an existing sump system

I just bought my first house, but I can't seem to understand how the sump worked. I'd like to make sure it's hooked up and ready to go should the basement ever flood. When I first walked in, the ...
2
votes
3answers
115 views

How much drywall should I remove around a moldy area?

The previous owner told me that during the last winter when snow melted, water got in the basement through the drywall and he had to wipe dry the floor. Last year we had one of the worst winters on ...
0
votes
1answer
123 views

Basement waterproofing with thermal break

I need help figuring out best solution to fix my basement moisture/mold issue... As far as I can tell, water is entering at bottom seam of poured concrete wall and basement floor. I considered ...
2
votes
1answer
147 views

How to frame a wall around existing exterior door

Framing a basement. I have a an exterior door that is set in the poured foundation. I'm building my wall that runs parallel to foundation that has the existing door and is ~2-4" from the foundation. ...
2
votes
3answers
4k views

Do stairs need to be the same height after landing?

I have set of stairs that leads from the main floor to the basement. A little over half way down there is a landing (typical L-shape). I'm looking to put in an insulated subfloor in my basement, ...
1
vote
2answers
91 views

How tight should studs be when framing in place

How tight should studs be when framing a wall and cutting them to length and installing them in-place? Ideally I'd be able to cut my wood accurate to 1/64th, but that ain't happening. If they are a ...
1
vote
2answers
125 views

Where to split long walls

I'm trying to build walls for my basement, and not surprisingly, many walls are longer than 8/10/12/16ft. For many walls, I was thinking of putting up two 8' or 10' walls with the stud straddling ...
2
votes
3answers
179 views

Noisy floating wall anchors

In Colorado basement walls have to be floating. Basically they are suspended from the floor joists, with a vertically movable anchor into the base plate, in case the slab moves due to expansive soil. ...
0
votes
2answers
73 views

How to run drywall backer parallel to I-joist?

I'm trying to install a non-load bearing basement wall parallel to an I-joist. The tricky part is, how do I run a drywall backer parallel to the I-joist? The top plate is wider than the flange of the ...
1
vote
3answers
1k views

How can I stop this drain pipe from backing up?

In my basement laundry room is (to my knowledge) the only drain pipe in the whole basement, which hooks into the end of the main line as it exits the house and heads to the septic tank. When we moved ...
1
vote
3answers
2k views

Is there a way I can fill cinderblocks in my basement to stop water from coming in?

Could I drill holes in each block and fill with sprayfoam that would fill the blocks with a water tight seal and then paint the inside with drylock? How about hydroclay?