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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1answer
17 views

Best way to drywall a basement [on hold]

My basement is dry. I just recently drylocked the walls. So now I want to put drywall up. Was going to use the foam board installation....wooden framing and green board. But with reading the many ...
1
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1answer
48 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 ...
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2answers
44 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 ...
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0answers
44 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 ...
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0answers
18 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 ...
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1answer
15 views

Can I exchange a chimney flue for a larger diameter flue?

Thank you for the advice in advance. I have a 1 1/2 story home with a central chimney that has two flues installed. The main level has a gas log fireplace and the other flue runs to the basement ...
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1answer
52 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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1answer
34 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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1answer
113 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 ...
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0answers
31 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 ...
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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
30 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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3answers
43 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). ...
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0answers
23 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
66 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 ...
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2answers
35 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 ...
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1answer
43 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 ...
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0answers
14 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 ...
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0answers
25 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 ...
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1answer
22 views

Repainting a sealed block basement wall

Looking to improve my basement a bit. The walls are concrete block, with some kind of waterproofing or sealing paint over them. The paint is in good condition, no cracks, flaking, peeling, etc. and ...
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1answer
42 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 ...
1
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1answer
27 views

Should toilet be close to sewage pump?

I am adding a bathroom in basement which will have a sewage pump. I am finalizing the bathroom layout and the ideal setup will have the toilet 8 ft away from the sewage pump. Is there any reason of ...
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0answers
52 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 ...
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1answer
170 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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1answer
33 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 ...
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2answers
206 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 ...
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3answers
80 views

Sewer odor from basement floor drain

I'm experiencing strong "sewer odors" coming from one of the basement drains. This is an old house (meaning the basement floor drains don't have an elbow bend and instead run straight down / there is ...
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1answer
38 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 ...
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1answer
68 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 ...
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2answers
61 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 ...
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2answers
54 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 ...
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0answers
44 views

Can you lay subfloor on concrete before framing interior walls?

Our unfinished basement has a concrete floor and poured concrete walls. It has stayed completely dry all year for a decade since the house was built. I will be framing the exterior walls 1" from the ...
2
votes
1answer
96 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. ...
1
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1answer
46 views

Do I have to cover pipes under slab?

I'm adding a new toilet in basement and would like to know if the (drain) pipes that will be buried under the slab have to be covered with something else exept of the gravel (like wrapping them or ...
2
votes
1answer
46 views

Is it ok to use a plunger on a basement toilet connected to a pump?

Our basement is below grade of the sewer line, so we have a pump to send waste to the sewer. The pump has a closed well in the floor of the mechanical room. The toilet in the basement is flushing ...
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2answers
88 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 ...
2
votes
3answers
123 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 ...
1
vote
1answer
41 views

Best room for egress window?

I have a basement with a partially finished bedroom (currently used as storage) on one side, a gas furnace and tankless water heater at the foot of the staircase in the middle, and a newly finished ...
1
vote
1answer
48 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
56 views

Uses of a damp basement

I have an old brick house (1960s) next to a river, the ground surrounding the house is normally wet. The basement is very humid and just use to store stuff that can't go bad. I will most likely get ...
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1answer
72 views

On wall near floor or ceiling for supply ducts in basement

I'm starting to finish my basement and I'm curious if I should put my supply ducts in the ceiling or the exterior wall near the floor. I have the configuration to easily do either. Any thoughts on ...
0
votes
1answer
27 views

Solving active sump issues

We bought our 20 year old house in Fishers, IN (northeast Indy suburb) this past summer. Three days after moving in, we had the last of the bad summer storms. One of the pumps in our Triple Safe sump ...
0
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3answers
84 views

Reducing humidity with a fan: top or bottom?

In the basement of my apartment block we have several little storage rooms (~65 sq ft), one for each tenant. Inside of mine the humidity gets a little high to my liking because although it has 2 holes ...
2
votes
2answers
32 views

What kinds of contractors deal with basement/foundation flooding/leaks?

Winter is coming to an end. All the snow/ice in my back lawn is thawing. A massive vertical crack has opened in my basement wall (the foundation) and water is hemmoraging in. I tried parging it with ...
2
votes
1answer
34 views

Fanning outside air into basement apartment

I am refinishing my basement into a 1BR apartment and I happen to have an easy access to intake outside fresh air and fan it into the apartment. I was planning to have one of those standing AC units ...
3
votes
1answer
67 views

open cinder block wall in basement

I am replacing some framing and sheet rock that has been contaminated by mice. The basement has cinder block walls that come up about half way for some reason. The house was built in the 1950s. In ...
3
votes
1answer
88 views

Backwater valves, furnace drains, and vent pipes

I'm having a house built and I got a picture of the drain pipes in the basement prior to pouring the slab, and it looks like this: The left blue circle is a floor drain for the furnace, the right ...
0
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1answer
31 views

Do I need a vapor barrier on an 8" pour + carpeting over tile?

So I am finishing my basement and the side I'm finishing has an extra 4" pour on it as well as old 8x8 asbestos tile. My plan is to carpet over it. Do I need a vapor barrier? I get that concrete is ...
3
votes
1answer
98 views

What length of Tapcon/ramset nail for base plate?

I'm wavering back and forth between installing a my baseplate to my basement floor with either tapcons or ramset. Tapcon Pros: Can use existing impact driver and only need to buy Impact bit set ...
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1answer
32 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 ...