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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What is the best flooring for my basement?

I live in Michigan, where humidity is fairly high. I have a 70 pint dehumidifier that works great. I also have a sump pump and water powered backup sump pump. I am looking to floor my basement ...
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2answers
10k views

Vinyl tile installation over a concrete basement floor with moisture

I would like to put some sort of flooring over part of my basement. Something with the look and simple installation of an interlocking garage tile (example) would fit the bill -- this isn't a living ...
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3answers
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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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1answer
3k views

What is this hole in my concrete basement floor?

I've striped my basement floating floor, as I want to have a epoxy/polyurea flooring installed. I've found this hole, with a plastic frame, under the floating floor. It was covered with some ...
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3answers
7k views

Painting a basement fuel oil tank

I have an old 275 gallon fuel oil tank in my basement. It is showing some signs of rust. Am thinking that a new coat of paint would be a protective measure. What kind of paint/primer should I use? ...
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1answer
141 views

Is my plan to drain foundation wall water reasonable?

I am in the process of building out my basement and see that I have water in the cinder block walls. I have a plan but I don't know if it will work and that is why I am posting this in the hope that ...
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1answer
3k 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. ...
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1answer
3k views

What is this this square hole in bathroom rough in used for?

I have a plumbing rough in that is located below grade in my basement. The system consists of a 2" sewer pipe and a toilet rough in connected to an ejecter tank. In the middle there is what appears to ...
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1answer
3k 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 (...
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3answers
9k views

How do I prevent water from leaking into my basement?

How do I prevent rain water from leaking directly into the basement? As you can see in the diagram below, rain water drains into small concrete cracks (near the bright red line shown below) and finds ...
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1answer
742 views

Do I need to get an engineer for badly poured conctrete basement floor?

I am having a new home built on Cape Cod. The day they poured the concrete floor a storm was predicted and it rained and snowed that night. The floors are a mess, pitted, uneven etc. The builder ...
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1answer
244 views

What to do about subfloor covering sole plates?

My basement already has framing and insulation around the outside walls, along with a few outlets in them. If I were to do 3/4" OSB over 1" XPS for a subfloor the sole plates of those outer walls ...
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5answers
17k views

How should I encapsulate a basement wall with chipping paint on a porous surface?

I have a basement wall with several layers of chipping paint. I can't say officially, but I'm pretty certain the bottom layer (dark green in the photos) is lead-based, while the upper layers are not. ...
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4answers
5k views

How can I improve the cold floor in my ground-floor unit?

My home is a ground-floor unit in a condominium. The floor is really quite cold and I'd like to do something about that. I saw in another question the suggestion to use Platon. Would I be able to put ...
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2answers
117 views

Do I need to use a Sewage/Ejector pump if there's no toilet in the basement?

My home has a sump pit and an ejector pit, but I'm wondering if I can just use sump pumps in both pits. There's is no toilet or shower in the basement, so the only thing that drains into the ejector ...
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1answer
141 views

Framing a non-load bearing basement wall - are plates required to be a single piece?

Are either top or bottom plates required to be 1 continuous piece of lumber? If it's not required, what is the best way to attach the separate sections; a lapping piece over the top of the joint?
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How to approach insulating my rim joist

I'm working on finishing my 1924 home's basement in Minnesota and am currently working on insulation. My rim-joists look like this: 2x8 Joists with a board between each joist. Behind that board is a ...
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1answer
2k views

Is This Basement Window Frame Structural

I'm renovating a bedroom in the basement, and I am trying to upgrade the window to meet the local egress requirements (Ontario, Canada). We have a standard bungalow with cinder block walls, built in ...
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3answers
54k views

What are the pros and cons of paint vs epoxy for concrete floors?

We will be finishing our basement in our new house - over the next two years or so. Eventually, we will put down flooring in most of the basement (although some parts will remain unfinished). ...
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2answers
21k views

What is the minimum thickness of foam board when insulating a basement

What is the minimum thickness of the foamboard insulation that can be used when insulating a concrete basement wall when it comes to moisture control and temperature control? Obviously thicker is ...
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1answer
11k views

Sump pit filling very quickly from inlet pipes

In October, I bought a large home with a sump pit in the basement. The previous owners had a sump pump but left it shut off (unplugged). I bought the house three months before moving in, so the pump ...
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3answers
3k views

How do I install fire blocking while finishing a basement?

In Colorado, the building code asks for a fire block when finishing a basement. I know this goes against the out walls (foundation). I've seen 2x4 and OSB used: which is better? And how does the OSB ...
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3answers
6k views

Do I need an egress window in a basement room not used as a bedroom?

Do I need an egress window in a basement family room when the basement has two viable exits? There are garage doors on one end and an exterior person door leading to exterior stairs on the other.
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1answer
249 views

Electric floor heat in basement without tile

I'm planning on putting electric floor heat in a daylight basement room which has a concrete pad. However, we don't like tile, so we'd like to use something else--preferably something that looks like ...
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3answers
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What is a good solution for hiding insulation in an unfinished basement?

First off, let me note that I am a tenant in this house. My landlord lets me do small improvements, but I'm not going to finish the basement with drywall myself. Basically, we have an unfinished ...
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3answers
5k views

How do I fix the cracks in my brick foundation?

I have some cracks in the foundation of the house I am about to buy. The house is 100 years old, there doesn't seem to be water leaks. The cracks don't look to be offset. Attached is the picture (...
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1answer
945 views

Is this old basement floor concrete, grout, or something else?

What is the likely construction/material of the basement floor shown below? It's not very flat, and the surface appears sandy. It's almost as if some kind of skim-coat was applied to the dirt floor. ...
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2answers
13k views

Should I seal, waterproof a concrete basement floor before painting?

What is the best sealer/waterproofer to put on a basement floor that I just want to paint. New construction, no water problems, but washer & drier & water heater are in basement and add to ...
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1answer
2k views

How to remove hydrostatic pressure from basement floor so we can finish part of the basement?

We purchased a 3000 square foot ranch that was built in 1977. We would like to finish about 1000 sf of the basement. It has poured concrete walls and a concrete floor. Currently, we have two sump ...
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4answers
4k views

How can I repair this small hole in my basement floor?

Last summer I noticed water coming up from my basement, always in the same spot. The rest of the basement is bone dry and we have french drains so I was baffled. This winter, I tore up the tile that ...
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1answer
2k views

Mounting outlet on drywall furred out from cement

I am in the process of adding an outlet to a wall in a previously renovated basement. The wall is drywall, mounted to furring strips which are attached to the cement wall. My two options as I see it ...
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2answers
404 views

Prevent dry rot from spreading

Last winter, I had serious dry and wet rot issues in the basement. The reason seemed to be that the wall was not watertight. This has been corrected and repair works were carried out by professionals (...
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1answer
94 views

When is the best time of year to apply mortar in New England?

I have two small areas at the base of my foundation I would like to repack with mortar. I don't fully understand the properties of mortar. Living in New England where the summers get really hot and ...
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3answers
13k views

Dust proofing unfinished basement concrete floor

My basement is unfinished and has a French drain. The bare cement floor is dusty and it tracks footprints all over my hardwood floors. I want to stop the dust from forming. I have tried to find this ...
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1answer
115 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
1k 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 ...
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1answer
438 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 ...
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2answers
1k views

What can I do about my deteriorating basement floor with a large hole that seems to go right through to clay?

We live in 90 year old house with an unfinished basement. I've been working on removing a lot of the crap that the previous owner did, and removing a lot of concrete debris. Then I ran into this ...
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2answers
9k views

Cost of XPS panels vs. sprayed closed cell foam

I'm starting the process of finishing my nearly full height (7'2") basement and am costing out the insulation. Based on my research of what's best below grade, I'm debating between XPS foam panels (...
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3answers
220 views

Can I remove the framed wall on the outside of my basement?

I have a 20 year old house (which is a basic colonial box). The basement has a standard poured concrete exterior wall. Against the concrete exterior wall, they framed a standard wood 2 x 4 wall, ...
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2answers
4k views

Drain clogged by grout

The contractor I hired to tile my basement bathroom dumped a bunch if grout sand down the drain. it is clogged solid now that the plumbers came back to do their water test. we have been trying to get ...
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2answers
1k views

What is this material on my interior foundation walls?

I have a poured concrete foundation. A portion of my basement is unfinished. It looks like a white plaster has been sprayed onto the foundation wall inside my house: I suspect spraying as there are ...
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3answers
6k views

What Material for Basement Walls?

I have a basement that's pretty big and has wood paneling all around. My wife and I hate the paneling since it's dark and has grooves spaced throughout it as part of the texture. So naturally we're ...
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2answers
3k views

Can I put tile in my basement over Ditra and existing mastic?

My basement has been prone to getting water for many years before I bought the house. We're having the basement walls repaired (excavated outside) & sealed. So this problem should go away. The ...
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1answer
690 views

How can I prevent the water from my neighbor's leaky gutter from entering my basement?

There is some water leakage in my stone basement on my neighbor's side (which is otherwise, very dry for a stone basement). As you can see from picture, the side of our house is loose stone (may be ...
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5answers
2k views

What type of flooring can be used on a concrete slab?

I have a split ranch house in NY and the downstairs hallway and half bath / laundry room currently has vinyl tile on a concrete slab. I would like to cover the vinyl tile with a new floor. What is ...
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1answer
2k views

Can I convert a basement window to a door?

We have a poured concrete basement, serving as the foundation of our home, which was built in 2008 in central Minnesota. The basement has 3 vinyl windows, the sills of which are around 1' above grade....
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2answers
2k views

How do I insulate interior basement walls that are not against the exterior walls?

I'm in the process of building an office and family room in my basement and need some help with the walls and insulation. There is a perimeter drain in the slab around the exterior walls that ...
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1answer
1k views

Can I use 2-1/2“ metal studs to hang 1/2” drywall?

I am in the process of remodeling my basement, & it's ready for studs; the basement is small, so to maximize as much space as possible I was thinking of using 2-1/2" metal studs opposed to the 3-5/...
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1answer
3k views

Worthwhile to insulate basement ceiling while remodeling?

I have an existing finished basement where I'm in the process of replacing an severely damaged plaster ceiling with drywall. I've got the entire thing open, and as it's an old house (1925) there is ...

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