Questions tagged [basement]

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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Basement Insulation

I am currently insulating my basement. I left the studs far enough away from the concrete wall so I can put r20 in without it compressing. My main question is there is enough space between the studs ...
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3answers
8k views

Do I need more than just Drylok to insulate concrete basement walls before framing out some walls?

I have a large unfinished basement. Concrete blocks walls. French drain. All but the top 18 inches or so are underground. It's got great potential to be finished (9 foot ceilings). The basement has ...
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3answers
12k views

What should I do about ceiling tiles that potentially contain asbestos?

A family member is considering purchasing a house, built in the Midwestern United States in 1958. In the basement, there are nine inch ceiling tiles on the ceiling. The home inspection mentioned that ...
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3answers
15k views

How do I level a basement floor but not the slab underneath?

I'd like to install laminate floor on top of Delta FL in my basement. The basement slab is not level, it slopes (from all directions) towards a floor drain (that, via a pipe, leads to a sump pump) ...
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2answers
4k views

Does 100 yr old concrete floor need replacing?

Our house was built in 1905 and the concrete floor is uneven and gets a lot of moisture at times. We replaced the gutters which helped a little. We'd like to finish the basement, maybe use stained ...
7
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1answer
95k 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 ...
7
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3answers
5k views

Solutions for a moist basement?

I live close to the water and there is a high water table around my house. Therefore a lot of water vapor passes through the basement walls. I would like to be able to store stuff in my basement and ...
7
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1answer
2k views

What's the best way to level this basement floor?

Goal: Level basement slab in our 1905 Seattle home so I can install laminate flooring. Existing floor: 21' x 25' unreinforced rat slab thickness varies from ~2" at rim to as little as 3/4" near ...
7
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3answers
386 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 ...
7
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1answer
17k views

How should I build a raised subfloor for my basement bathroom?

I've ripped out the bathroom in my basement that was finished by the previous homeowner. I'm now rebuilding, and curious to the most correct way to go about this. The whole basement was finished ...
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9answers
46k views

How should I add lighting to a low ceiling basement?

I have a basement ceiling that's around 6'6" high and currently the lights are standard bulb outlets that are attached to the beams so they sit down at eye level in the room. This means when you're ...
6
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4answers
4k views

There is water in my basement and the outdoor sump pump failed. What am I doing wrong?

My house has water problems with the basement. Here's what the entrance to my basement looks like. When I get a really heavy rain storm, water manages to rise up and start seeping in under the door. ...
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3answers
42k views

How to finish room with protruding concrete ledge/foundation?

I am finishing a basement room and have a concrete ledge which is part of the foundation. It protrudes into the room about 2.5 inches and is about 6 inches high. This ledge is the result of a ...
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3answers
28k views

What is the best way to fill a hole in a concrete basement floor?

My basement floor has a hole cut where the water line enters the house. This hole is around 2ft square, and digging down a little I hit dirt and small roots. I'd like to seal this hole as I believe it ...
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4answers
2k views

Adding insulation to basement that already has vapor barrier

I have leftover insulation from doing my basement, little bits and pieces. In between the joists on my basement ceiling it is insulated with vapour barrier already from when the house was built. ...
6
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4answers
5k views

Will running a dehumidifier near new concrete cause it to cure poorly?

I have a new house with high humidity in the basement. Will running a dehumidifier constantly cause the new concrete to cure poorly?
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1answer
2k 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.
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3answers
7k views

What equipment could I use for digging out a basement after the house is built?

My mother and father built the home I live in many years ago. It only had a half basement. My father had started on the other side, but passed away before finishing it. I have now taken this job on. I ...
6
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4answers
11k views

Can I run a dehumidifier pump to a washer stand pipe?

I have a very humid basement, in which I run a dehumidifier often. To allow for a more constant run, I purchased a dehumidifier pump. It says to run the pump out through a window or to a sink. I ...
6
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2answers
37k 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 ...
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2answers
30k views

What to do first in a basement? Dricore then frame on top? Or frame and then lay dricore?

My thinking is to use blue wood with a plastic barrier underneath, and then lay dricore up to the finished walls. However, the dricore instructions say that framing should be on top of the sub-floor. ...
6
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1answer
6k views

What thickness of closed cell spray foam should I use on my basement walls?

I'm finishing my basement in southeastern Wisconsin. This is a poured full basement below grade. We are ready to insulate the walls and are going to use closed cell spray foam. I've had two ...
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2answers
5k views

Was this basement window installed properly?

Here's a few photos of a window that I installed last year. I used the mixed knowledge of a few different online articles and did it to my best ability, but I'm kinda worried that it may have been ...
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2answers
2k views

What should I do with insulation in basement ceiling?

I am fixing up my basement, and to make it seem bigger- we decided to remove the drop ceiling and are going to have the exposed ceiling and duct work sprayed black. There is some insulation around ...
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5answers
9k views

How can I insulate a basement wall that has 1x1 framing installed on it?

It is freezing in my basement so I decided to re-insulate my daughter's bedroom. I removed the old paneling walls to find that it wasn't insulated! There was a water barrier and a heat shield. My ...
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2answers
8k views

What type of subflooring should I use for a basement?

My basement has wall-to-wall carpet in the two bedrooms and living area. The carpet was probably from the 70's when the house was built and we decided to remove it. After removing the carpet from ...
6
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1answer
5k views

What does blocking refer to in relation to floor joists?

This question was triggered by the following line in a home inspection: Blocking is not installed for I joists above beams in basement. I have found pictures of blocking at http://www.diychatroom....
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2answers
12k views

What should I consider when cutting/making window in concrete foundation?

I am thinking about putting in another window for my basement apartment. I would like to know what do I need to consider before trying to find a contractor to do this. I have uploaded a picture of ...
6
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1answer
6k views

Should window well for basement window be attached to the house?

When answering this question, code references are great (IIRC) if there are any applicable, but I am asking specific to northern midwestern climates in the United States (up near Canada) and best ...
6
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1answer
34k views

How can I properly vent a basement toilet & shower using an AAV?

When we bought our house the plumbing drains for a basement bathroom were roughed in but they did not install any vent lines for them. We have the first floor plumbing draining into the main stack ...
6
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1answer
382 views

Is it normal for the concrete covering my interior perimeter drain to be damp?

I inherited an interior perimeter drain with a sump-pump as part of a basement waterproofing system when I purchased my new home two years ago. Since then I have noticed that along the seam of the ...
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4answers
11k views

Support Beam Splitting

I bought an older house (1917) that had renovations done in 2009. I was in the basement earlier today with the oil delivery man and I noticed some of the support beams splitting. The inspector never ...
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3answers
1k views

Can this water damage be explained by lack of gutters and grading issues?

We are currently midway through a major renovation to an old house. Part of the renovation was digging out a new basement and adding a new foundation around it. The basement has a ceiling height of ...
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3answers
3k views

Can I drill into basement concrete wall to hang a mirror?

My basement is unfinished and I have a large concrete wall. Can (should) I drill some small holes in the concrete to hold up a mirror or two? Are there any serious downsides to drilling into the wall ...
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6answers
9k views

Prevent dead animals in basement window wells

How can I prevent animals from dying in my basement window wells? The wells are about two feet deep and have a clear plastic covers over them. The covers don't fit tightly and critters seem to ...
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2answers
6k views

How can I move a non load bearing wood frame wall?

I am remodeling my basement and want to move the location of a non-load bearing wall that is diving a section of my basement. Currently the wall is down to the bare wooden studs. The header was nailed ...
5
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3answers
11k views

Can I lay down solid wood planks on top of my basement concrete floor?

I live in Oakville, Ontario and have a detached home with an unfinished basement with concrete floor. I would like to put hardwood flooring in part of the basement. Instead of tongue and groove floors,...
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2answers
3k views

how critical are distances between studs?

I'm in the process of finishing my basement (east-central Minnesota, US). So far, I've put up a couple of wood stud walls... non-load bearing, simple partition walls. One one of these walls, the ...
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2answers
10k views

How to finish dirt floor in a basement?

The floor of the basement of our house is half a flat area with a concrete floor where the washing machine and so on are, and half a semi-flat, slightly sloping dirt area, with the dirt area being ...
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3answers
2k views

Running electric cables in basement shop

I am setting up a workshop in the unfinished area of my basement. I need to run a couple of electrical outlets and would like to run them along the block walls through grey PVC. Will this be a ...
5
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3answers
30k views

Renovating interior stone basement walls

We have a 100 year old house, and I would like to finish the basement but leave the stone walls exposed. I believe the stone can look great, but the mortar needs some work, and I am mostly focused on ...
5
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1answer
5k views

What is the proper way to insulate box sill joists in the basement?

The floor joists of the first floor are sitting directly in breaks in the concrete/cinderblock walls, and there's large gaps all around the edges. I've done some looking around and it appears that ...
5
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3answers
10k views

Using fire rated drywall/sheetrock in a partially finished basement

Background: We have a full basement and I have recently completed about half of it as a hang out spot for my teenage boys and their friends. The other side I use as a workshop and a place to store "...
5
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1answer
2k views

Should I add insulation to basement ceiling?

Currently doing a reno on our basement. After roughing everything out, I have insulated the outside walls with R13 (2x4). The house has never had insulation in the basement. Should I insulate the ...
5
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3answers
868 views

Should I install external basement insulation that does not extend above ground?

Question : Is there a way to calculate energy savings for external, 2inch insulation on basement walls that does not extend above the soil surface, leaving the top couple feet of foundation wall ...
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2answers
100 views

How can I drill conduit hole through plywood firestop I can't reach?

I'm trying to run a 3/4" conduit (1" OD) from unfinished basement utility room A to unfinished utility room B, through the ceiling of finished room C. There are several floor trusses which are easy ...
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6answers
27k 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 ...
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2answers
60k views

Do I need a vapor barrier in an exterior basement wall if I use purple drywall?

I purchased some purple drywall (mold and moisture resistant)for installing in a finished basement bedroom. One wall is an exterior wall. Do I need to install a vapor barrier between the drywall and ...
5
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3answers
8k views

How can I protect the soleplate when framing basement walls?

I plan on finishing my basement and I have a specific question about framing the walls and protecting the soleplate. I plan on framing and setting up the walls BEFORE laying the subfloor, but that ...
5
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1answer
9k views

Can I hang a hammock from basement joists?

My basement is what I assume is a typical setup, built in the 1970s. 2x8 joists run from the outer cinderblock wall to the center beam with an approximate 11 foot span. I'm thinking about hanging a ...