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
217 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
79 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 ...
3
votes
4answers
818 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 ...
0
votes
1answer
21 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 ...
1
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0answers
23 views

How many sump pits should I have?

I have an older french drain system and after experiencing some foundation problems (horizontal crack), I've been told that my system should be updated to a more modern one which has weeping holes in ...
2
votes
2answers
91 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 ...
1
vote
2answers
316 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 ...
2
votes
2answers
49 views

Do I need an HVAC vent in this bathroom?

The finished portion of my basement was completed after the original construction. I've found a few questionable practices, including the lack of an HVAC vent in the basement bathroom (shown in green ...
1
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2answers
91 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 ...
2
votes
1answer
36 views

How big of a beam for a load bearing wall

I have a wall in my basement that is load bearing. Right now, they put a door opening in there (and probably overdid the header for it). I would like to remove a 7 foot section and open it up for a ...
1
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1answer
47 views

Why is there a supply vent in my unfinished basement?

Background I have an unfinished basement. It has cement floors with stone walls. The furnace is located in the basement. There is a supply vent blowing conditioned air into my basement. As far as I ...
1
vote
1answer
207 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) ...
1
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1answer
22 views

Is it likely that water can enter below the slab?

My question is about basement/foundation function and the relationship to sump pumps and water. If a sump pump is supposed to pump water from below the slab out to the surface and loses power, what ...
0
votes
0answers
21 views

Damp carpet and pad in two areas of basement

We have lived in our home for 43 years. The basement has always been dry. The house has drain tile and a sump pump and the sump has only run three times in all this time--only after very heavy rain. ...
0
votes
2answers
60 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 ...
20
votes
6answers
221k 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 ...
0
votes
1answer
53 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
votes
2answers
89 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 ...
1
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1answer
45 views

New Construction Home - Basement

My family is building a new home and the weather hasn't been cooperating. We have two big concerns that we have brought to the builder. We are looking for some advice regarding these concerns. ...
3
votes
1answer
47 views

Is a leveled wood frame for a basement floor a good idea?

Just bought an old house. One half of the basement has a nice headroom. The floor is painted concrete, and is pretty uneven and ultimately slopes towards a floor drain. I'd like a nice floor. Can I ...
2
votes
1answer
61 views

What is the purpose of a window well for a window that is above grade?

Recently my neighbour installed window wells around all of his basement windows, but they all sit with the bottom edge about 2 inches above the ground. Do window wells serve a purpose if your window ...
1
vote
1answer
54 views

Causes of condensation in basement wall

First time home owner of 1 year old house in Southern Ontario. South facing basement wall (50% above grade) has condensation forming between polyethylene barrier and pink batt insulation. What ...
4
votes
1answer
605 views

Can I attach drywall directly to a wood beam?

I'm finishing my basement and need to build a soffit around the HVAC trunks, pipes, and a wood beam. I'm planning to build a ladder on one side of the ducts and another between the ducts and the ...
1
vote
1answer
35 views

Should I remove vinyl flooring to allow the floor underneath to dry out?

We are renovating a 200+ year old house that had a dirt basement. We poured a concrete floor and put vinyl flooring (snap-together, looks sort of like wood) over this. The basement has gotten wet ...
3
votes
1answer
90 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 ...
0
votes
1answer
26 views

What kind of precautions should I undertake to use epoxy-based paints?

I see on the market floor paints made from "1-part epoxy" or from "2-part epoxy". They are meant for concrete floors. Epoxy is reputed to be very harmful if misused during construction. Anecdotes ...
2
votes
1answer
96 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. ...
1
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1answer
75 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
140 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 ...
0
votes
1answer
30 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 ...
0
votes
1answer
28 views

How can I refinish a basement concrete floor?

The basement concrete floor pictured has traces of red paint, a beige mesh, the concrete itself, and a top blue-gray layer of paint. Does refinishing the floor require reapplying the red and the ...
1
vote
3answers
93 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 ...
2
votes
1answer
36 views

Framing a new basement window in cinder block

We recently purchased a home and this window was boarded up on both sides. I removed the plywood to discover that it used to be a old coal chute. I removed all the old fiberglass insulation that was ...
1
vote
0answers
44 views

What causes these chips in a cement brick wall, and how can I fix them?

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
votes
1answer
86 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.?
0
votes
1answer
24 views

Wet smell, finished basement, aggravates when it rains -how do I find the source?

I have a light wet smell in my basement and I am trying to find the source of it ...not much luck so far. The basement is finished (by the previous owner) and as far as I could see behind the finished ...
1
vote
3answers
43 views

Tile basement bathroom over cracks without Ditra

I am tiling a basement bathroom that is 5 feet by 6 feet. It has a crack running the entire length of the bathroom as well as a small hairline crack near the toilet. I've read that Ditra is the best ...
1
vote
3answers
80 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....
0
votes
2answers
39 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
votes
0answers
28 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 ...
1
vote
2answers
54 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?
1
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0answers
21 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
42 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
196 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 ...
1
vote
1answer
117 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 ...
0
votes
2answers
69 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 ...
5
votes
1answer
92 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 ...
1
vote
1answer
47 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
54 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 ...