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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
36 views

How can I support drywall with a steel post on an outside corner?

I have a steel support post right on the corner of a wall, which protrudes on one wall about 1/4". I am getting ready to look at drywall and wondering is there any other option than to build around ...
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1answer
26 views

Metal basement window frame casement rotted out

We bought a house that was completely remodeled but the metal framing for the basement window was left even though they installed a new window. The rust is beyond repair. Does anyone have experience ...
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1answer
15 views

how to level out basement cement crack

I plan on laying some vinyl planks onto cement but there are some cracks from leveling in the cement and with the new flooring you can "feel" where the cement barely sticks up at the crack. Wasn't a ...
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1answer
43 views

Running AC/MC cable in boiler room, do I need additional metal conduit?

I'm planning to run AC cable (or MC, not sure which is better) in my basement to install an outlet near the boiler room. the cable that powers the boiler has sections that are inside of a rigid metal ...
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1answer
41 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 ...
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0answers
34 views

Basement Bathroom Rough-In

Say you hire a plumber to do an entire basement bathroom rough-in. If they break up the basement slab to put in an ejection pump and pipes, is it considered normal for them to patch the slab up when ...
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1answer
21 views

Ceiling sheetrock for basement apartment

My house consists of two units, the main and basement apartment to which the main is not connected indoors. I was planning to put fiberglass insulation between the joists and use ultra light 1/2" ...
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1answer
133 views

Flooding In New Construction Building

This weekend, water was observed flowing up, through the floor and through other joints, into the building - making a swimming pool we didn't ask for! Some Background We currently have a project ...
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0answers
53 views

What is this on my basement wall?

I have a new build home and was in the unfinished basement today. I noticed it was a bit cool now that the weather is changing so i made an effort to look at the insulation. There are several spots ...
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1answer
52 views

Basement Rough In Decipher

Can someone help me decipher the rough in currently in our basement and identify what is what? What else needs to be done to complete the rough in before finishing the bathroom and starting to frame?
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3answers
113 views

Water dripping from basement ceiling during heavy rain

I would appreciate direction on investigating this water issue further: I have had water dripping (from ceiling) during heavy rain , along inside wall of basement only on one side of the house. ...
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0answers
24 views

Insulation for crawl space with framed wall and foundation

I am encapsulating my crawl space, but not sure what to do with walls above the foundation. At least part of this area could have been a basement I guess, but I am needing to deal with this area due ...
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0answers
8 views

Basement sink drain pump questions

Should there be a p-trap before the pump? Should the short vent pipe sticking out of the pump have a one-way closet vent on the end of it? The standing water in the pump gets pretty foul since this ...
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3answers
96 views

What is this PVC pipe in my basement

I recently purchased a newly built house. It has an unfinished basement. There is a white pvc pipe that comes from the floor. It is about 4 feet tall. Out of it comes a sewer smell. Some days worse ...
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3answers
5k views

Diagonal brace left in the basement by builder. Can I remove it? Replace it?

I have a diagonal brace running across an interior wall in the basement, and it even goes partially into the floor concrete. Is this meant to be permanent, or was it supposed to be removed during ...
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0answers
38 views

The paint on my basement floor sticks to my shoes

I bought my house 3 years ago and the paint on the floor in the basement comes off on your feet or shoes. You literally stick to it so bad that I have had my flip flops come off my feet. When the ...
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2answers
100 views

Replace drop ceiling with drywall and soundproofing

This is my basement ceiling this morning: After a couple of hours, I removed all drop ceiling for entire basement with 1 living room and 2 bedrooms: I would like to install drywall with access ...
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1answer
37 views

Bottom plate over interior drain tile

I am building a basement stud wall out of 2x4s. I’m concerned that when I go to nail in the bottom plate to the concrete, I’ll hit the interior drain tile made of PVC pipe installed around the ...
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1answer
42 views

How to fix a leaky basement wall from inside? [closed]

I prefer clean, simple and effective ways to fix a leaky basement wall (small leak - about 16 oz from a heavy rain intermittently). Will any new tech or sealants work?
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1answer
21 views

Installing insulation board in basement to control moisture

I just had a basement waterproofing job done and it is doing an awesome job relieving pressure and keeping the basement flood-free (we just had a very large amount of rain here in central PA and it ...
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0answers
17 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
24 views

Which anchors to use for a wall in a basement [duplicate]

I need to extend one of the walls by approx 30 inches. I will be using pressure treaded 2x4 in bottom of the wall and wall will be about 83 inches high. Which anchors should I use to secure the ...
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1answer
72 views

Getting rid of mold in areas you cannot reach

I used a home mold test kit (leftover from my previous question) to see if I had mold in my basement (where I sleep). Turns out a little bit of mold is growing in the petri dish. The mold looks to be ...
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1answer
38 views

Which comes 1st, the mold remediation or the re-application of drylock on old stone walls?

Basement: old stone walls, drylock painted 15 yrs ago. Now some stained, moisture damage, air mold test indicates pro.mold remediation needed. Moisture issue has been fixed, now the walls need to ...
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2answers
50 views

install smoke/fire detector in basement

I would like to install smoke detector in the basement, which has the following layout: +----------------------------------------+ | | Small ...
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0answers
23 views

SquidGee Dry System to prevent water seepage in basement?

One of the rooms in my basement has water seepage shown in the following: Some work has been done to patch the honey combs. Due to limited budget, I can only do interior waterproofing. I plan on ...
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1answer
99 views

Which pipes are what in this basement rough-in?

I have an unfinished basement that has rough-ins for plumbing. I would like to finish it some day, and I'm trying to envision what a bathroom would look like. What purpose are the pipes for? Toilet?...
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2answers
61 views

How do I finish the area around my furnace so it looks nice and isolates noise, but is still accessible?

I want to put a TV right in front of my furnace and water heater. I'd like it to look reasonably finished and keep noise from the systems as low as reasonably possible. I would love to just drywall ...
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0answers
32 views

Jackhammer away third basement floor?

I am putting French drains in my basement and I did one side already. When getting the one side done, the contractors found that there was a second floor poured on top of the old (he said people do ...
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0answers
88 views

Spray foam insulation in basement without vapor barrier [Michigan]

I am finishing a part of my small basement and recently had my framing inspection (passed) and was told it needed to be insulated to a minimum of R10 and be inspected. That's fine, but after some back ...
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1answer
53 views

Removing 2x4 strapping and still meeting Ontario building code

I am finishing a basement ceiling in a new house. Currently there is a 2x4 used as strapping in the center of the area for the above floor joists. I want to remove it but dont want to create issues. I ...
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0answers
25 views

How best to remove basement particle board subflooring under framing

Recently bought an old house where the basement has been partially finished. About half of the basement is drywalled and the rest is just open framing. That said, the subfloor in the basement is made ...
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1answer
150 views

Water leaking from concrete slab porch into rooms below. How do I stop the leaks?

My front porch is concrete and is above a portion of my garage, laundry room, and a basement bathroom. The house is in Zone 6b: -5 to 0 F. The rooms are not finished and I am not sure of the ...
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1answer
32 views

When to turn on backup water powered sump pump

I just moved to a house that supposedly has a backup sump pump that is backed by tap water. We’re currently in a power outage. I’ve never had a sump pump before. How do I know it’s time to turn on ...
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0answers
22 views

Furnace with no filter is drawing air from the basement which has black mould. I am looking at renting this house?

The house I am looking at renting is old but nice. Problem furnace in the basement has had the outside air intake closed so only draws air from the basement. The filter has been taken away and parts ...
3
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1answer
58 views

Basement cinderblock wall tops - cover or fill

A few spots on the top of my basement wall have had their tops hacked off for projects (ducts/plumbing/unknown). We had a mouse issue and I'm looking to close these spots up in case they are finding ...
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0answers
42 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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1answer
66 views

Why would a rough in pipe be under the concrete?

I'm planning to install a three piece bathroom in the basement. We have 2.5" and 3.5" rough in pipes sticking out, while 2" pipe was fully in the concrete. I had to break the floor to see if it was ...
1
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1answer
59 views

Ceiling mounted punching bag without compromising structure or floor above

This question is regarding the safest way of installing a heavy punching bag of 100 lbs from the basement ceiling. Above the basement ceiling is a wood floor. The goal is to sleep soundly at night ...
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1answer
74 views

Should my outdoor spigot be attached to the foundation?

On the picture attached, is it a correct way of garden faucet installation? In this case it is drilled through the wall and the pipe goes in the basement where attached with the rest of the in-house ...
0
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1answer
54 views

Will a curtain across a doorway significantly reduce air flow?

I've got a stairway down to a basement that's wide open at the top and at the bottom. The basement gets pretty humid, so we run a dehumidifier down there, but the wide open entry undoubtedly makes the ...
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0answers
59 views

How do I disable the battery water level sensor on watchdog sump pump back up when I replace it with a sealed battery?

I am replacing my sump pum back up battery with a sealed battery. What do I do with the battery level water sensor?
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0answers
25 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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2answers
82 views

How to frame around an egress window

we are in the process of framing our new basement after having some foundation work done (steel supports, interior drainage, egress windows). I have a few questions about how to frame around the ...
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0answers
17 views

cement floor with adhesive tile removal

40 year old house, daylight basement with glued tile on a concrete floor. there is a moisture problem and a crack in the cement. we want to remove the tile and seal the crack, and seal the cement. ...
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2answers
123 views

Will holes bored for radon mitigation cause basement flooding?

A company has said that they would drill a hole in the basement to get rid of radon level. Will this cause flooding from the ground beneath the basement? Thanks. Phil
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1answer
31 views

Can I use the built in vacuum system fir ventilation

I have an old house which has been updated but it doesn't have great ventilation in the finished basement and often smells a bit musty and damp There are no leaks and the drainage system has ...
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1answer
177 views

basement floor crack widening in newly built home - is this a problem?

Our home was new construction and the basement floor was poured around 1.5 years ago. The builder installed control joints in several locations in the basement slab. Several of these joints have ...
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0answers
25 views

Basement window coverup leaking

This house is in need of a lot of work. The biggest problem I have right now is the basement flooding. Had new gutters put in in the past month which helped a little but my biggest issue now is where ...
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0answers
84 views

Sleepers on unlevel basement floor?

A question related to this one about projecting the costs to finish our basement. We have a poured concrete foundation. I don't think it has been sealed yet, but our yard is graded, our downspouts ...