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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75 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
44k 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
16k 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
9k 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
5k 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
242 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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1answer
6k views

How do I attach the framing of a shorter wall to a higher wall above concrete?

Back again with another framing question that I simply haven't been able to answer. For Reference: Gray - Concrete Pink - XPS Insulation Darker Browns - Existing Wood Light Brown w/ Dashes - new ...
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3answers
20k views

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
900 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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1answer
802 views

When waterproofing my basement, should I apply 11 mil plastic in addition to the dimple board?

I'm currently interviewing contractors for exterior basement waterproofing. The difference in price is not significant, but there is one major difference. The contractors will: Trench down below the ...
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2answers
11k 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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2answers
149 views

Is my drain vent clogged?

Water is coming out of our what I assume is a stink pipe. We live within city limits. This is located in our basement. City says we have no exterior clean out. We plan on calling to have this pipe ...
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1answer
1k 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
3k 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
1k 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
293 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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3answers
9k 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 ...
3
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1answer
356 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
8k 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
197 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
3k 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
646 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
1k 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
983 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
2k 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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1answer
2k views

Should I apply rigid insulation between existing basement framing?

I'm replacing wood paneling in my basement with drywall. There are 1x furring strips attached to the cinder block and covered with tar paper, and the wood paneling was attached to those strips. ...
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2answers
790 views

Is there a way to sound proof my basement while I've got part of the ceiling open?

We had a header beam installed in our basement. The floor joists are exposed for 1ft (~30cm) on both sides for the length of the beam. The basement is an apartment, so I'd like to add some sound-...
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1answer
59 views

What is this pipe in my basement?

I have a lot of water coming into my basement from a line that is next to where my water pump feeds into. It has been raining a lot lately. I found a pipe in the basement that looks like it could be a ...
3
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1answer
106 views

Foundation concerns with 40 year old home

I just purchased a home built in 1978 (I literally moved in last weekend.) This is my first home purchase, and I tried to do as much research as I could -- I had it inspected, and the inspector found ...
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2answers
124 views

Basement Rough-in Identification

Trying to identify what is what. I originally thought the 3.5" by the wall was Toilet, but i don't think 5" away from "unfinished" wall is enough space. So the other 3.5" (2) must be the toilet? ...
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2answers
98 views

Why does water appear just below my basement slab in one location and not another?

We recently purchased a house and inherited a "5 gallon lowes bucket shoved into a hole with gravel" sump pit. It sits approximately halfway across the width of our basement. There is consistently ...
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1answer
83 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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2answers
129 views

Installing in-wall speakers in an exterior basement wall

I've been debating installing in-wall speakers on an exterior basement wall for a home cinema, and I see problems with every solution. Naive approach Cut out a section down to the concrete and ...
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2answers
371 views

How can I support second-floor beams when replacing posts in the basement?

We are excavating our half basement and need to replace the support posts with new ones on new footings. The problem is that 2 of the 3 posts also extend to the 2nd floor. We can't just jack up the ...
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1answer
585 views

New basement cracks found on concrete floor and poured walls after changing and adding one dehumidifier

My home is 14 years old. I have been using a 40 pint dehumidifier at 50% until this spring. It was only after discovering mild amount of mold under my fiberglass insulation that I felt I needed to ...
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1answer
299 views

bathroom venting plan review

I'm putting in a basement bathroom and working through the drain layout. There is a slab already poured so I want to get it right before busting up the concrete. It will be inspected, basically ...
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1answer
851 views

Waterproofing a concrete basement wall with a staircase in the way?

I've been in my 1926 house for just over a year, and earlier this week I noticed water seeping in through the concrete wall behind my basement staircase after some intense rain. It was a small but ...
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2answers
5k views

How to install cabinets on concrete floor

I am installing base cabinets in my basement. The flooring will be a floating laminate, so I can't set the cabinets directly on the flooring. There was a similar question How do I install cabinets ...
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1answer
964 views

Backwater valves, furnace drains, and vent pipes

I'm having a house built and I got a picture of the drain pipes in the basement prior to pouring the slab, and it looks like this: The left blue circle is a floor drain for the furnace, the right ...
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2answers
3k views

Crumbling basement walls and asbestos

I want to refinish my basement walls, as they look really bad. I tore down some wood paneling that was starting to warp, and behind that was some styrofoam insulation. Behind styrofoam is 3 mil ...
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1answer
415 views

basement subfloor - do i need sleepers for this solution

I'm going to install a basement subfloor. I want to follow option 3 from this site: http://homerenovations.about.com/od/additions/a/BasementSubfloor.htm. A nice option because the foam insulation ...
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2answers
216 views

Can I have a “hollow” basement bathroom floor?

I'm going to jackhammer my basement's concrete floor to install plumbing for a new bathroom. Normally, after the plumbing is done, we should pour concrete to it again. What will happen if I just "...
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2answers
486 views

Should I bother to flip basement ceiling insulation that's on backwards?

the rolled faced insulation on the ceiling of my unfinshed unheated basement is on backwards(vapor barrier facing down instead of up towards the 1st floor),1st floor is uncovered hardwood. Insulation ...