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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0
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2answers
14 views

Foundation drainage: try interior first and then exterior?

My wife and I are closing on a home. During the initial walkthroughs of the basement, it was clear that there was a moisture problem there, but I don't think it was clear to either of us how severe ...
0
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0answers
13 views

Chips in a cement brick wall - tips on what they are and how to fix

I have found my exposed basement cement wall which is about 15 x 10 in size to have quite a few areas where there is a cracked chip ranging from approx 0.5" in diameter to 2" in diameter and a few ...
0
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2answers
187 views

What is the pros and cons of covering a basement ceiling with Drywalll vs. Panel board?

I'm renovating an unheated basement into a shop in a 1900's wood frame house. The plaster has long since come down and I'm looking to cover the joists. The goal is to insulate a bit (the floor ...
1
vote
1answer
70 views

What are the considerations for crawlspace encapsulation barriers / humidity control?

I live in a house that's half slab, half crawlspace. The crawl is half basement. Typical crawlspace/basement humidity readings are: 80% RH @ 67°F 85% RH @ 68°F 78% RH @ 67°F Where in the ...
0
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0answers
12 views

Super-Insulating a Crawlspace

I am getting ready to have a contractor insulate my crawlspace. The exterior facing walls of my crawlspace are about 2" above grade, with the remaining 2 ft 6 in - 2 ft 10 in below grade. One of the ...
3
votes
4answers
760 views

Rim Joist Insulation without a Sill Plate

I've seen a few similar questions but the answers don't add up... I would like to use some rigid foam insulation to insulate my rim joists. Here is the problem: everything I have seen shows putting ...
1
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2answers
39 views

How can I level a part of a concrete floor in preparation for installing a washing machine?

Whoever installed the existing washing machine in the basement was unable to extend one of the legs long enough to adjust for the slope in the concrete floor. So they took a piece of wood and stuck ...
0
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1answer
70 views

Cutting back a carpet edge.

I have a tile entrance at my walk in basement door that I want to make larger. If I cut back the carpet a couple feet will I have to restretch the carpet?
2
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2answers
87 views

Do I leave this insulation up?

I am researching how to finish one room in my basement, and not sure what to do with what I think is vapor barrier or wall wrap insulation. Its only on two of the four walls which I assume is because ...
0
votes
0answers
14 views

How effective is elevated concrete for insulating moisture?

I am replacing a boiler in my basement and the contractor told me it will be better for the new boiler if he build an elevated concrete platform on which the new boiler will sit. He says this will ...
1
vote
1answer
33 views

Hole in concrete floor from floor anchor

I have a small hole in my basement floor from a leftover floor anchor similar to http://www.lowes.com/pd_79553-2191-50098___?productId=3044000. The anchor is now gone, and apparently over the years ...
4
votes
1answer
163 views

I want to permanently remove and fill-in below grade windows in multi-family building. What's the risk?

I have a 5 family apartment building in NJ. There are 2 below grade window wells that protrude from the building and into the asphalt driveway. I want to fill these in permanently with concrete ...
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2answers
198 views

Should I put a moisture barrier under tile on a basement floor?

I bought porcelain tile for my basement.. Should I put Ditra down in order to prevent any moisture? Is there a cheaper way? I had tile put in the other room and there is white powder that comes up ...
1
vote
1answer
66 views

Preventing Clogging/Flooding at bottom of exterior basement steps

I just purchased a house this weekend, and moved in yesterday. I live in MD (USA), and there just happened to be a torrential downpour yesterday after we moved in. I went downstairs to check my sump ...
1
vote
2answers
74 views

What is the best and least expensive way to update my walkout basement?

I have a walkout basement that is paneled and has a dropped ceiling with out a ceiling grid. In need of serious updating, but I have already put so much money into this house, I am looking for the ...
1
vote
1answer
196 views

Can rigid foam board have an air space between it and rim joist?

I am insulating my rim joists with 2" rigid foam board. Most of the rim joist is bare, and the foam fits along it nicely. Some sill boxes have some small irregularities (vent pipes, plumbing, etc) ...
0
votes
2answers
52 views

Help with basement wall insulation

Here is the issue, my basement wall facing south is trapping moisture. Removed the drywall and found a layer of poly and rigid insulation on the lower wall and batting insulation on the top side. The ...
0
votes
1answer
39 views

Add a new doorbell to basement, upgraded transformer, still doesn't work

I recently finished my basement and ran a wire in the wall (where I wanted my new door bell to my current doorbell transformer. I've been unsuccessful in getting both my upstairs and downstairs ...
0
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2answers
67 views

how to attach framing to this window in concrete?

I'm looking to finish my basement. I have several windows embedded in the concrete as shown in the picture below. I was planning to put framing up in front of the concrete and run some plywood all ...
0
votes
2answers
61 views

How can I convert a crawlspace to a basement?

I have walk in crawl space. The celing hight is any where from 5ft to 9 ft. It is all dirt and NO concrete. The plumbing and HVAC lines running all over the places. All and all I have about 700 to 900 ...
1
vote
1answer
73 views

How do I dry up a stucco wall that presents efflorescence?

I have determined the source of the water and I would like to believe that I stopped that with a temporary fix (a large tarp that will cover my patio which used to collect water at the base of the ...
5
votes
1answer
89 views

Small geyser coming out of the basement floor

My house is 40 years old. I have had basement flooding issues for years. With heavy rain, water comes out of my floors. I have a sump pump that takes care of it. Despite knowing better, Ive been able ...
2
votes
1answer
91 views

insulating rim joist

After caulking the four joints that make up a rim joint, can I put the rigid 2" XPS board close to the room (the beginning of the cavity), or does it have to be put right up against the joist. ...
19
votes
5answers
202k views

What humidity should I set my dehumidifier to?

I just bought a 50 pint dehumidifier for my basement. What humidity level should I aim for? This time of year the outside humidity is very high (over 80%) and we do not have central air. Right now ...
1
vote
1answer
64 views

Could these foundation defects cause problems?

Attached are the pictures of newly constructed basement wall. I wonder if these defects are going to be a problem in the future? Outside of the walls have water proofing, but I wonder if these defects ...
0
votes
1answer
68 views

How to run duct work for basement dehumidifier?

Our basement is partially finished, approximately 50/50 in terms of square footage. It was used as a mother-in-law suite at some point by a previous owner. The finished rooms are air ...
1
vote
3answers
75 views

Will adding a french drain and sealing the wall be sufficient to waterproof a basement?

I am going to attempt to waterproof the basement from the exterior. It is a new development that water is getting in the basement through the window wells and a crack in the wall. I am hoping I can ...
1
vote
1answer
39 views

Screws or nails for securing 2" lumber to overhead joists as fireblocking?

I will be installing fireblocking as part of finishing my basement. I plan to leave about an 8" gap between the newly framed walls (metal stud framing) and the cinder block foundation wall to avoid ...
0
votes
1answer
49 views

Cracks in a newly constrcuted basement wall?

Pic 1 shows the newly constructed basement (Just 4 days) wall and It can clearly seen the crack across the wall (Not sure whether its crack or not but looks like) due to pouring concrete. I wonder ...
0
votes
1answer
79 views

How can I remove a non-load bearing wall in my basement?

I have two small rooms in basement. I want to remove the common wall between the two and covert the resulting big room into a home theater. What is the best way to remove the studs, wiring, etc.?
1
vote
1answer
39 views

What kind of sealant to use by foundation?

I have a small gap between my patio cement and foundation wall. I'd like to seal it to prevent water from going straight down. What is the best type of sealer to use? Here is a picture of the area I'd ...
1
vote
3answers
55 views

Current state of the art foundation waterproofing

I'm getting ready to dig up my yard and expose my foundation to waterproof it. What is the current state of the art for foundation waterproofing? I don't mean the stuff in a bucket that is typically ...
1
vote
3answers
76 views

Finishing basement… level floors with SLC or install stud wall first?

Basement floor isn't too far off... wondering if I should get the stud wall done first or level the floor first....
8
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2answers
7k views

How should I drain water from a basement dehumidifier?

Our basement has had difficulty with water in the past, from intrusions through the side (fixed by gutters) and chimneys (fixed by chimney caps). Most recently, however, water has been collecting on ...
4
votes
1answer
105 views

mold on basement walls

I have a basement that I am planning on finishing. There was a mold problem. After washing the basement walls, I soaked them in Concrobium. I then painted the walls with a masonry waterproofing ...
4
votes
5answers
448 views

Why does my basement floor paint come off when it's wet?

I painted my basement floor and now just 3 weeks later my washer leaks and the paint is peeling off. I also put some water down on a spot and when I wiped it up you can scratch the paint off. It is ...
5
votes
1answer
465 views

What is this electrical device in my basement?

Is it something to do with the doorbell? House was built in 1947 if that helps.
1
vote
1answer
55 views

Can I have two storeys in a 16 foot space?

I'm in the process of closing on a house that has an unusually large crawlspace underneath the structure. The house is built on a relatively steep hillside and the frame of the house extends to the ...
5
votes
2answers
250 views

Buying a House On Underground Spring. What to do?

My fiancé and I are under contract on a new home which we are concerned it might be built on an underground spring. There are two sump pumps in the house, on opposite corners of the house. Both times ...
0
votes
0answers
38 views

How to install bathtub

I want to install a tub on basement bath where drain pipes are already installed and sticking out from concrete floor. I need to know how to raise the level of the tub from the floor in order to have ...
1
vote
2answers
63 views

what should i use to wire this bathroom?

I'm in the process of finishing my basement. So far, framing's done, HVAC ductwork's done, and I'm now working on the electricals. So I've got a 60amp subpanel bringing in power, and off of this, I ...
2
votes
4answers
5k views

How can I prepare this concrete floor for tile?

I'm looking to replace an old carpet in my finished basement with tile. I've removed the carpet and found a surface with some peeling paint, which I've read needs to be removed since the thinset for ...
1
vote
1answer
27 views

Replace portion of slab for radiant heat

Our 1600 SF basement has a slab floor with no insulation underneath. I'm redoing the bathroom (roughly 100 SF, with 7' along the foundation wall) and would love to put in radiant floor heating, but I ...
34
votes
8answers
53k 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 ...
0
votes
0answers
32 views

Is adding a paver patio or flower garden near a home foundation a bad idea?

More specifically, should I be concerned about creating drainage issues? We already have some leaks in our basement. I'd like to avoid creating additional problems.
4
votes
3answers
165 views

Should I be concerned that the sill plate is not lined up with the foundation?

I am in the process of building a one level home in PA. After the formed concrete walls were poured and the framing began, I noticed that on one side of the house that the sill plate was flush with ...
2
votes
0answers
54 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
votes
0answers
59 views

What are these 3 thin lines draining into my sump well?

There are 3 thin lines draining constantly into my sump well. The lines are coming through the concrete to the best of my knowledge because i can't trace them on the walls or ceiling. I am having a ...
0
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0answers
22 views

Can i paint over self-leveling compound

I would like to know if possible to paint over self-leveling compound. I was told to use a primer first or possibly epoxy?
1
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4answers
4k views

Can the blanket Insulation in my basement be left in place when refinishing?

I'm thinking about finishing my basement. It currently has the blanket insulation that the builder installed when we built the house last year. I'm unfamiliar with this product. Is it meant to be used ...