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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26 views

Type S Mortar suitable for basement bathtub install?

I’m installing a Delta acrylic tub in the basement on concrete. I have a bag of Type S mortar from a different project. Is that suitable for this installation? Delta’s instructions don’t have a ...
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Wiring a circuit that goes from a switch to a light to a split dual receptacle to a light to an outlet

I'm pretty new to DIY stuff, and while I've changed light fixtures and switches a few times, my electrical knowledge is a little more limited when it comes to the more complicated stuff. A friend was ...
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34 views

Filling in an old basement ejector pit

Our basement had an old bathroom in one corner that has been removed and there's an old, empty ejector pit that handled the bathroom waste. There is also a nearby sump pit that is functional and will ...
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1answer
85 views

Is this white paint on basement wall asbestos?

Some fibrous paint is starting to flake off my basement wall. Is this asbestos? Or, is it some other material that’s waterproofing? Do I need special considerations when removing or repairing this ...
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2answers
143 views

Why is my door on top of bricks?

I have a door leading from my basement, (finished, livable, but still rough compared to the rest of the house) to the drive-under garage. This door isn't to code in the slightest: it's an interior ...
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21 views

Converting 3" (No Trap) to Sink with Wall interference

Current Configuration: 3" (No Trap) pipe located in front of the future wall. (Blue Chalk line is the front edge of the wall (2x4). Plan: Repurpose this for the sink by 1. Breaking concrete, ...
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2answers
109 views

How far out to install french drain so water can't pass underneath it and still get into house?

We have bilco doors in our backyard that go down into our basement. Our basement is cinder block foundation. Unfortunately our entire back yard slopes downward toward the house, and so during heavy ...
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30 views

Dealing with water between concrete basement floor and wood 2x4 framing

New homeowner here, just had our first sewer drain backup. There is a wall separating the finished part of our basement from the unfinished part. The wall rests on a 2x4 on top of the concrete ...
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102 views

Why would there be a hollow area under my basement slab? [closed]

My house has a partially underground basement, and in the (roughly) center of it is a strange hollow area underneath it. If I stomp on the ground anywhere else, there's almost no sound, as its just ...
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37 views

cracks/marks on basement wall

While cleaning my basement today i saw these cracks/marks on the wall. When i touch it its dry and not wet. Since its the basement the other side of the wall is exterior under ground. Any idea what is ...
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33 views

How do I seal an old woodstove pipe in the basement?

We are in the process of renovating our basement and there is an old wood stove pipe left over from a wood stove we removed. Not looking to remove the entire pipe, as it goes through the roof in two ...
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36 views

Does this basement HVAC register/vent plan make sense?

Located in Ontario Canada, so winter tend to be cold and summer mild. We are finishing basement, the finished area is about 900 square feet. We have came up with the following locations and numbers ...
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1answer
31 views

Bathtub Leak when Drain Clogs

I get a leak from my bathtub but only when the drain’s clogged. Before I pay a bunch to get it inspected, can I get any ideas? Thank you.
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7answers
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How can I attach drywall directly to cinder blocks without using furring strips?

Note: the below image is distorted (curved lines) because of the panoramic picture) I had old tiles in the remote corner showed in this picture. Those came off the wall taking the drywall with them. ...
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3answers
112 views

What amperage rotary hammer drill is needed to drill through poured concrete?

I need to drill 3/8" diameter holes, at a 45 degree angle, into my poured foundation basement walls to inject polyurethane, in order to prevent shrinkage cracks from leaking ground water. There ...
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51 views

What is the right way to insulate a cinder block basement wall from inside when you only have room for furring strips and drywall?

The wall behind the toilet in the bathroom I am renovating is cinder blocks When this was finished the wall was first covered with some black paper (like tar paper but thinner) then they installed 1x4 ...
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2answers
35 views

Maximum slope for Vinyl flooring installation

Dear Home Imporvement Experts, I'm looking to install Vyinl flooring in my basement ( with subfloor like Dricore ) but the floor in basement has a slope of ~3.7-4 inches for 24 ft. Will it be ...
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2answers
118 views

How to level an already settled bath tub?

I have a bath tub installed in my basement. The tub's front and back long sides are leveled. but not left and right side. The tub is about 1/4" off towards back from both the sides. I don't see ...
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3answers
86 views

Basement Framing Drifted ½" Away From Starting Point

I managed to make a hasty mistake last night when I was putting up some basement framing on my DIY project. I didn't realize the bottom plate of a 16' section drifted ½" away from the foundation ...
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0answers
78 views

Is it okay to use multi-cable staples/hangers on a running board for NM wiring?

As part of a basement project, I am trying to tidy up the previous homeowner's electrical work. One thing I have encountered is a number of NM cables run perpendicular to joists and stapled directly ...
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1answer
51 views

Air-sealing basement slab weeping tile access for radon

I have a pretty high levels of radon in the basement (~400 Bq/m3 when windows are not open), so I want to seal obvious entry points, one of which is what looks like a 10 inch weeping tile cleanout ...
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3answers
4k views

How do I self-repair a section of crumbling basement wall, or should I hire a professional?

How do I self-repair a section of crumbling basement wall, or should I hire a professional? Background: How I discovered it: I removed some exposed blue foam insulation from my basement walls to ...
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1answer
33 views

O or N Mortar for Fieldstone foundation on the exterior side

My house was built in 1860 and I have a field stone foundation. I have some areas on the exterior that I need to reapply some mortar on. I know some people are using type N and adding sand and some ...
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35 views

Advice on moisture / efflorescence in concrete basement walls

I am finishing the basement in my 1926 house and planning to frame a proper wall against the concrete foundation - studs, insulation, moisture barrier, etc. The previous owners had painted over the ...
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0answers
37 views

Basement humidity 80-90% with unsealed concrete foundation, how can wood moisture be OK?

In summer our home in west Massachusetts has a humidity level of 80--90% for months, which according to what I read can be a serious problem. However, my pinless moisture meter measures the wood beams ...
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2answers
570 views

What shouldn’t be dumped into a basement dump sink?

We have a dump sink in the basement that uses a pump system, much like a closed sump-pump, to force the water up into our main drain out of the house. Because the pump system holds a bit of water ...
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3answers
2k views

Do you to block a unwanted 4 inch hole or reuse it for something else?

Have 4 inch hole was made by builder for no reason and went unnoticed for long time as the hole was in the side wall of the House. the hole is through a basement wall. How can I permanently block the ...
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2answers
41 views

Basement floor tiling/ carpeting

I’ve been reading over how to tile or carpet a basement floor and I’m looking for the absolute cheapest option. I’ve read about laying a subfloor, but to be honest, I’m not very handy at all. Can you ...
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3answers
153 views

Light in basement with no switch?

In my basement there is a light socket that is always on. We have checked every switch and there does not seem to be a switch attached. I followed the electrical line and it’s only connected to a two ...
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0answers
45 views

How would I prepare this narrow clearance wall for drywall?

I’m unsure how to set up this wall for the drywallers. I don’t have much clearance from the door opening to the concrete. There is also a layer of reflective insulation directly on the concrete. First ...
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3answers
70 views

Using 1/4” cement board for shower wall

I realize using 1/4” cement board for a tiled shower wall is a general no-no, but I’m trying to find a creative work around here. I’m trying to build a tile enclosure for an existing shower pan in a ...
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50 views

How make 2x4 fit under hanging studs that are too tight

Basement wall has cheap paneling on 2x4s hanging down from top but no longer anchored on concrete floor cause bottom 2x4 removed for new basement drainage trench install with new concrete over top. I ...
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1answer
91 views

Is it safe to tie a water heater pressure release pipe into an HVAC condensate drain line?

The current setup in my basement has a long pvc pipe going from the HVAC system to a floor drain about 8 feet away. When I had a new water heater installed the plumbers put in a drain pan underneath ...
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1answer
57 views

Damp patch in basement wall that is loose material when I touch

I recently noticed a damp patch in one spot on the basement wall. About a couple of inches in diameter. When I poked into it the material came off and now there is a hole. Not deep or all the way in ...
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38 views

Replacing Block Windows Mortared In Brick Veneer

I've got 3 basement block windows to replace with vented block windows and need some help on a way to handle this that will leave me with a decent end result. The block windows were installed in the ...
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1answer
59 views

Daylight basement remodel, found mold on what appears to be drywall between exterior siding and studs. Do we need to remove ALL the siding to repair?

While working on removing paneling in the daylight basement, we discovered mold on what appears to be black papered drywall in between the exterior siding and the studs. This was pointed out during ...
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0answers
70 views

What is this pipe and can/should I tile over it?

I ripped up the stick on tile in our basement bathroom so I can install ceramic tile and there is an access port with a mystery pipe in it. The bathroom has a tub, toilet and sink already so I'm ...
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2answers
94 views

Can a single finished room be created in an unfinished basement?

I have an unfinished basement and am looking into creating an office down there as my current office space in the loft is looking to be turned into a fourth bedroom. Can I wall off and create an ...
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2answers
152 views

GE washer not working after flooding

Whole neighborhood had a freak flash flood. My basement took 7 inches of water. Got the hot water heater working today; the furnace and central AC are fine. I have a GE "laundry center" -- ...
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2answers
142 views

are these brackets necessary in old san francisco homes? Were they just used for framing and not removed?

Are these brackets necessary? This is in an old San Francisco two story home and these are attached to flooring. Were they just used for framing and not removed? I want to remove them to make way for ...
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2answers
531 views

Will I lose a ton of efficiency by removing the blue foam insulation from my unfinished basement?

My house inspection noted that the exposed blue foam insulation in my basement is not to code and (if there’s a fire) could be dangerous due to noxious fumes. The insurance provider has told me to ...
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38 views

Newbie questions on framing exterior basement walls

I'm looking into doing some finishing work on my basement, which is entirely unfinished at this time with the exception of some shelving. House is circa 2008 built in Western NY (Zone 5). Foundation ...
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3answers
118 views

What causes this odd pattern in the paint on a block foundation wall?

My basement is having some water issues. I am working to resolve that, but in the meanwhile: can you guess what is causing this pattern in the painted cinder blocks near the bottom right corner (some ...
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0answers
31 views

Two unfinished storage areas at the intersection of sump hole in basement. Partly finish outside that, keep costs down

I want 8 foot (53" clearance from poured wall) and 14 foot (35" clearance from poured wall) storage closets to meet where the sump hole is, covering up some pipes, leaving the space above ...
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1answer
167 views

Coal room basement leak: seal the chute or fix the drainage?

My 1920s house was originally an L shape, with the chimney and coal furnace at a rear corner of the main range under the living room (think the top, inside corner of the vertical arm of the L, if ...
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1answer
39 views

Address water emerging from slit in concrete basement floor left by sewer line replacement

Background: when I moved in in 2018 I had the sewer line replaced. This necessitated cutting a section of the basement floor, which was then filled with concrete: The contractor left unfilled a ...
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2answers
28 views

Mounting Shelving on Basement Wall with Plastic Moisture Barrier Sheeting

So I have an older home, built in the 60s, and recently had the basement waterproofed. The company that did the waterproofing installed plastic sheeting vapor barrier on all the walls. They also ...
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5answers
162 views

Why do building codes for basements apparently require "windows large enough for escape"?

Read this yesterday: A similar thing occurs with basements, before modern codes, here and there, began requiring windows large enough for escape. I'm unsure where exactly the author lives, but I ...
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66 views

Bathroom removal?

We are selling our home and just received our municipal inspection results. They are asking us to remove our full bathroom in the basement because it "no longer" meets minimum height ...
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1answer
44 views

Basement drain issue

I live in a house with a drain in the basement well it wasn't installed correctly, it was raised above the cement floor. So I decided I'd fix it and I did. I Broke away the the crumbling cement ...

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