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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4
votes
1answer
624 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 ...
3
votes
1answer
94 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
31 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
97 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
vote
3answers
101 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
44 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
52 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
0answers
33 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
67 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
votes
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
vote
0answers
22 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
45 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
211 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 ...
0
votes
2answers
77 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
93 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
51 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
59 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 ...
1
vote
1answer
56 views

What kind of sealant to use by foundation?

I have a small gap between my patio cement and foundation wall. I'd like to seal it to prevent water from going straight down. What is the best type of sealer to use? Here is a picture of the area I'd ...
1
vote
3answers
67 views

Current state of the art foundation waterproofing

I'm getting ready to dig up my yard and expose my foundation to waterproof it. What is the current state of the art for foundation waterproofing? I don't mean the stuff in a bucket that is typically ...
8
votes
2answers
10k views

How should I drain water from a basement dehumidifier?

Our basement has had difficulty with water in the past, from intrusions through the side (fixed by gutters) and chimneys (fixed by chimney caps). Most recently, however, water has been collecting on ...
4
votes
1answer
162 views

mold on basement walls

I have a basement that I am planning on finishing. There was a mold problem. After washing the basement walls, I soaked them in Concrobium. I then painted the walls with a masonry waterproofing ...
4
votes
5answers
613 views

Why does my basement floor paint come off when it's wet?

I painted my basement floor and now just 3 weeks later my washer leaks and the paint is peeling off. I also put some water down on a spot and when I wiped it up you can scratch the paint off. It is ...
5
votes
1answer
479 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.
1
vote
1answer
59 views

Can I have two storeys in a 16 foot space?

I'm in the process of closing on a house that has an unusually large crawlspace underneath the structure. The house is built on a relatively steep hillside and the frame of the house extends to the ...
5
votes
2answers
621 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 ...
0
votes
0answers
54 views

How to install bathtub

I want to install a tub on basement bath where drain pipes are already installed and sticking out from concrete floor. I need to know how to raise the level of the tub from the floor in order to have ...
1
vote
2answers
134 views

what should i use to wire this bathroom?

I'm in the process of finishing my basement. So far, framing's done, HVAC ductwork's done, and I'm now working on the electricals. So I've got a 60amp subpanel bringing in power, and off of this, I ...
2
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 ...
1
vote
1answer
28 views

Replace portion of slab for radiant heat

Our 1600 SF basement has a slab floor with no insulation underneath. I'm redoing the bathroom (roughly 100 SF, with 7' along the foundation wall) and would love to put in radiant floor heating, but I ...
34
votes
8answers
56k views

Should I use a subfloor for a finished basement's floor?

We are refinishing our basement and have not yet decided what to do for the floors. Part of the basement will be tile, and we are all set. However, the rec room side is going to be carpet. The ...
0
votes
0answers
40 views

Is adding a paver patio or flower garden near a home foundation a bad idea?

More specifically, should I be concerned about creating drainage issues? We already have some leaks in our basement. I'd like to avoid creating additional problems.
4
votes
3answers
274 views

Should I be concerned that the sill plate is not lined up with the foundation?

I am in the process of building a one level home in PA. After the formed concrete walls were poured and the framing began, I noticed that on one side of the house that the sill plate was flush with ...
2
votes
0answers
84 views

Installing a sump pump to reduce relative air humidity

I have a damp basement. There are really no big water issues because the house sits on sloped terrain, it's just damp and musty. I've been running a de-humidifier, but that doesn't seem to be taking ...
2
votes
0answers
72 views

What are these 3 thin lines draining into my sump well?

There are 3 thin lines draining constantly into my sump well. The lines are coming through the concrete to the best of my knowledge because i can't trace them on the walls or ceiling. I am having a ...
0
votes
0answers
78 views

Can i paint over self-leveling compound

I would like to know if possible to paint over self-leveling compound. I was told to use a primer first or possibly epoxy?
1
vote
4answers
5k views

Can the blanket Insulation in my basement be left in place when refinishing?

I'm thinking about finishing my basement. It currently has the blanket insulation that the builder installed when we built the house last year. I'm unfamiliar with this product. Is it meant to be used ...
2
votes
3answers
181 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 ...
1
vote
1answer
121 views

Can I have an office in my basement without egress?

I'm looking to create an office space in my basement. I live in a townhouse attached to 2 other units. In the basement we currently have smalls windows near the ceiling. From what I've read, it ...
0
votes
1answer
128 views

Bubble of air out of toilet when flushed

When I flush the toilet in the basement there is a big air bubble that comes up the toilet and it then drains slow; if anything else is running it almost overflows. The basement toilet was working ...
2
votes
2answers
133 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
0answers
178 views

How to better seal and/or adjust a metal cellar door / bulkhead?

First of all, I am not exactly sure what the door is called. I have a metal outside door leading to steps into my basement. I have always just called it the basement/cellar door but it seems like ...
1
vote
0answers
76 views

Feeder type and size for 60 amp. subpanel

Is it possible/recommended to use E18679 (UL) ROMEX SIMPull AWG 6 CU 3 with AWG 10 ground Type NM-B 600 volts as feeder from a 60 amp breaker to install a subpanel? Subpanel will be located in ...
1
vote
0answers
66 views

Water draining out of pipe when usage is high.

We moved into an old house and there is something happening in the basement that I need some help explaining. Here is a image showing where the leak is happening. I've marked where the water is ...
1
vote
2answers
607 views

How can I stop this drain pipe from backing up?

In my basement laundry room is (to my knowledge) the only drain pipe in the whole basement, which hooks into the end of the main line as it exits the house and heads to the septic tank. When we moved ...
1
vote
1answer
40 views

How long can a water heater be without a water supply before it might be damaged?

Because of a busted feed pipe my water has been turned off since mid December 2014. I've had the temperature on my water heater turned down to Low (but not Pilot) since then. Since I'm still not ...
0
votes
1answer
36 views

water proof tub surround?

I have a basement bathroom with a tub/shower that I plan on tiling. My questions are- Is Duruck, Hardie board and wonderboard the same? The area behind the tub/shower will be unfinished/no drywall, ...
1
vote
0answers
29 views

Why does the Hartell Reservoir style pump require no venting, while the Little Giant Drainosaur does?

Why does the Hartell Reservoir style pump require no venting, while the Little Giant Drainosaur does? See links below for more info on pumps Hartell Pump Little Giant I am having a hard time ...
2
votes
2answers
111 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
1answer
75 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 ...
1
vote
1answer
151 views

Bar sink drain/vent

I am in midst of finishing the roughed in full bath and want to put a bar sink on the wall behind the tub. I will add pictures later- once I am able to get some good shots.... The way it was roughed ...