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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3answers
886 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 ...
3
votes
1answer
2k views

Would adding new basement windows jeopardize the integrity of the foundation?

We are finishing our basement and would like to install 4 new hopper windows onto the front side of the house. My question is what is the largest reasonably sized window that can be cut from the ...
3
votes
1answer
458 views

How to insulate sloped top of concrete block foundation?

I am planning to insulate the inside of my basement. I have a concrete block foundation. I am planning on going XPS board route, applied directly to wall with foam/tape on all the seams to make it ...
3
votes
0answers
572 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 ...
3
votes
4answers
757 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 ...
3
votes
1answer
214 views

How can I tile the raised edges in my basement?

I'm looking to tile a basement floor that was dug out about 6", so there is a roughly 6" tall x 4" wide raised concrete border around the whole room, as they didn't dig out the edges. This border is ...
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votes
3answers
3k views

Basement subfloor, how exactly should I do it?

I am finishing a basement with my father and want to put in a subfloor. I know if there was ever enough water I would probably have to replace the floor anyways but want to give myself a couple inches ...
2
votes
2answers
4k views

Is it okay to staple romex to a floor joist when running it perpendicular behind a finished basement ceiling?

Taking down my ceiling to run some wire to new outlets. The outlets are going in an area with an unfinished ceiling, so I know the romex there will need to be ran through the joists when going ...
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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 ...
2
votes
1answer
294 views

Sump Pump Recommendations

I have an outdoor sump pit in front of my basement door to prevent water coming in during strong rain storms. In the pit is a 5 gallon bucket with a 1/4 hp automatic pump. Here's more information on ...
2
votes
2answers
416 views

Attaching non-load bearing walls to steel I-beams

I'm preparing to remodel my basement. A steel I-beam runs the length the of the basement with vertical steel columns spaced periodically across the span. The beam is 5" wide and 8" tall. I'm ...
2
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3answers
167 views

Will removing the insulation from an unfinished basement cause it to be a lot colder?

We live in upstate NY and the house has an unfinished basement. It's waterproofed with cinder block walls and a concrete floor. There is no framing, no drywall. However someone put up this hanging ...
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2answers
649 views

Should I continue my basement subfloor under the stairs?

As part of finishing my basement I'll need to rebuild these stairs to account for the higher floor level. The back of this stair case is currently open to the lower basement, but that will be getting ...
2
votes
2answers
4k views

Is a raised floor viable and safe in a basement bathroom?

A contractor wants to build a raised floor for my bathroom basement that he is building for me instead of breaking the concrete. The plumbing would be underneath the floor. Is this a viable and safe ...
2
votes
1answer
193 views

Why is there a sewer gas smell coming from my door jamb?

I am at the tail end of tiling my basement floor and undercut the existing trim on the bathroom door. I started noticing a sewage smell and pinpointed it as being strongest at this point. This is ...
2
votes
2answers
1k views

How should I insulate this basement wall?

I've been doing a lot of reading. I live in Maryland, not particularly cold. We have an 8 foot ceiling in the basement which is poured concrete built in 1973. Only about a foot is above grade. I've ...
2
votes
3answers
3k views

How can I fix a small slightly damp area in my basement wall?

I am in the process of converting a bedroom in our walkout basement, into an office. Back in 1999, the previous owner had finished the basement. The basement foundation walls are hollow cinder ...
2
votes
3answers
7k 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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2answers
2k views

Is occasional puddling of water in an unfinished basement a problem that needs to be addressed?

In a early 20th century New England home of wood frame construction and foundation of fieldstone and brick with some CMU, we get some puddling of water in a few areas of the unfinished basement floor ...
2
votes
1answer
2k views

“Draining” concrete blocks?

We've recently had exterior waterproofing applied our house. In the process, we removed an old cold room that was underneath our porch. They walled up the entrance to the old cold room, and then ...
2
votes
5answers
13k views

How do I paint a basement ceiling and heating pipes?

What is the best way to paint a basement ceiling? Can I paint the copper baseboard heating pipes? Do I have to use special paint?
2
votes
2answers
75 views

Are my basement walls sweating?

Portions of my basement wall are darker and appear to be wet, but to the touch they are just slightly cooler. I took a few pictures to show. The pattern of the darker areas is strange in some places ...
2
votes
1answer
198 views

Should I use traditional 2x4 framing or 1x3 grid framing for a New England basement remodel?

I'm trying to decide which framing method to go with for a particular room while finishing a basement. I live in New England and I already have 2" foam board glued to the concrete using the correct ...
2
votes
1answer
118 views

Are portable electrical outlets permitted in a basement?

I would like to install a portable outlet box near a work area in an unfinished basement. I have seen these installed in commercial buildings and educational laboratory type areas, always dropped from ...
2
votes
1answer
174 views

Can I use 1“ XPS and fiberglass batts instead of 2” XPS insulation in my basement?

I have read multiple sources on the internet suggesting use of 2" XPS foam boards to insulate basement foundation and then building a 2x4 wall in front of it. 2" foam board is very expensive when ...
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votes
2answers
3k 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 ...
2
votes
4answers
456 views

How do I mount this pullup bar?

I bought this pull up bar that is designed to go into studs that are 16" apart Ultimate Body Press My basement walls are only framed out so I can see all of the studs. I started to mount it and ...
2
votes
2answers
270 views

How can I insulate behind pipes that are close to a foundation wall?

Reading around, it seems like most people suggest to put up XPS insulation when finishing a basement. That's great and all, but how do you put 2" of rigid foam behind pipes that already exist in the ...
2
votes
1answer
167 views

How can I reduce the humidity level in my basement?

I have an unfinished basement in my 1040 square foot ranch house. I just bought an energy star 30 pint dehumidifier to replace an old one that came with the house 1 year ago (I set it on the "driest" ...
2
votes
2answers
538 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 ...
2
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2answers
2k views

Do stairs need to be the same height after landing?

I have set of stairs that leads from the main floor to the basement. A little over half way down there is a landing (typical L-shape). I'm looking to put in an insulated subfloor in my basement, ...
2
votes
3answers
673 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.
2
votes
2answers
400 views

Easy way to seal an old plumbing vent

I plan on buying a house but it has this cleanout and old vent for the plumbing in the basement. Whoever renovated the basement disconnected the vent and just let air flow into the basement. Is ...
2
votes
1answer
203 views

Water leaching up through basement floor

We just bought an older home that had new perimeter drainage system installed and a new sump pump installed that drains outside. The old sump was closed off and now there is signs of water leaching up ...
2
votes
1answer
492 views

How should I finish around this hole in my slab?

This hole in my basement has a roughed-in drain pipe for a bathtub (can't really see it, but I've verified it's there): As you can see, it's about 12"x16". As I prepare to finish the basement, I'm ...
2
votes
2answers
5k views

Should I add batt insulation to concrete basement walls?

We're planning how to finish our basement, and haven't been able to figure out something related to insulation. The home's in Minnesota, and was built in 2008. XPS insulation (installed by the ...
2
votes
1answer
449 views

What should I do to this basement closet so I can put clothes in it?

We bought a house that had a closet along part of the basement wall. it has the water meter in it and on outside wall also. we carpeted the basement along with the closet. the closet has drywall in ...
2
votes
2answers
132 views

Is a combined AC/Dehumidifer unit more efficient than separate units?

I've just moved into a "basement-ish" apartment; the actual ground level is about at my waist. It's a bit mustier than I'd hoped, and not as cool as I'd like during these closing days of Summer. I'm ...
2
votes
1answer
154 views

What size feeder do I need for a basement electrical subpanel?

I would like to know what size and type of feeder wire and feeder breaker do I need for my basement subpanel where I am planning to add six 15 Amp circuits, and three 20 Amp circuits. This will be 2' ...
2
votes
1answer
52 views

Adding sink fixture to waste stack with existing sink fixture

I'm renovating our basement and I have a waste stack with a roughed in sink fixture trap arm. We are putting a wetbar on the other side of this wall probably around 2' to the left of this waste stack ...
2
votes
1answer
245 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 ...
2
votes
2answers
84 views

What should I do about an above grade cinder block basement wall that is wet?

Above grade cinder block basement wall is wet. It's right at the ground level. On same wall the below grade isn't wet. i think it's b/c not much sun on that side of the house as other. what to do? ...
2
votes
2answers
450 views

Vapor and moisture barrier for “above ground” basement

I'm finishing the basement of my home in New Jersey, and I'm a bit confused about the general guidance for basement moisture and vapor barriers. My "basement" is built from concrete block. However, ...
2
votes
1answer
179 views

Is rigid foam on rim board in basement worth doing if walls aren't insulated?

We bought an older home that we use more as an office. The basement is totally uninsulated including the rim joists. Last winter, it got really cold down there to the point that the floors upstairs ...
2
votes
1answer
145 views

Is there a recommended distance between fasteners on sole plates?

We've just started installing pressure treated 2x4s as sole plates in our 5 year old basement. We drove 3 nails into each 8' plate, one at each end (around 3 or 4 inches in) and one somewhere at the ...
2
votes
2answers
237 views

How can I meet the height requirements for a door in a basement with a low ceiling?

To meet code we need a minimum 6'6" clearance through all doors. The ceiling height in most of the basement is 6'8", but the clearance through the exterior door is much less than that. On the inside ...
2
votes
1answer
471 views

Subfloors and stairs

It seems to me that many people put subfloors in their basements (and other floors), but what do they do when it comes to the existing stairs? I'm code says that you can't have more than 3/8" ...
2
votes
1answer
99 views

How to tell if carpet is destroyed after a flood?

The other day ago a water line going to an exterior faucet exploded in the wall and flooded my finished basement. The water level was around 1"-2" high and we imagine the water was running for ...
2
votes
3answers
2k 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 ...
2
votes
1answer
2k views

Seal basement floor before tiling

My basement is prone to getting water in it after big rains. I know that we definitely have a leak in the wall on one side of the basement so we're having a contractor come in and demo the whole ...