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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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Bottom 3 courses of cinder block are wet!!!! Why?

The bottom 3 courses of my cinder block are wet and deteriorating (effervescence). The basement is waterproofed and it’s still happening. Its on 2 interior walls and 1 exterior. The top layers of ...
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2answers
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Spring water in basement of new construction

Location: Northern New Brunswick, Canada Lakeside property. Last fall we dug and poured our concrete foundation, which has a full height basement and a walk-in, which needed a step foundation in that ...
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Venting basement bathroom rough in

I'm a DIY-er with a lot of experience in some phases of construction but not much in plumbing (so please be nice to my dumb questions!). I'm finishing a basement with a full bathroom, and thought I'd ...
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What should I do about water appearing in drain tile in my basement?

I purchased this older home about 7 months ago and having issues with basement getting wet. One area has an old clay tile coming up out of the concrete about 2 inches and goes nowhere but it will fill ...
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1answer
26 views

Trying to use two 3 way switches and a 4 way switch to operate 2 - 54187 Bennett Collections using one remote

Can I make the two fan/lights work by switching them at 3 different places [2 3ways and 1- 4 way switch] and also use the remote to operate both fan/lights? .... ..... Or will I have to wire two ...
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Are bends allowed in a toilet drain above the 4x3 reducer?

I am finishing my basement, which was roughed in by the builder, but I need to move the toilet, since I lost 8" of wall framing in front of the main sewer line, the vanity would be stupidly narrow, to ...
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2answers
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Basement moisture on foundation issues

After taking all sheet-rock down I noticed that all walls (cement block) siting under ground are moist. Some of them even ate through footers. After farther look at the house I found out that their is ...
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1answer
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Covering Exposed ICF and sill plate?

new guy here. I am hoping you guys can help. We had a 2x6 built Wisconsin Homes modular placed on top of an ICF basement. Then, we had vertical vinyl board and batten siding installed, it was run down ...
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Water coming in through the foundation

It has rain many times and water has never come into the basement. Water was coming in through the wall in my storage area and where the laundry area is. The surrounding areas are all from the area in ...
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1answer
48 views

Should I insulate metal duct work in basement?

I have a balloon frame house with an unfinished basement. The air handler and furnace are in the basement too. Last fall, we had the duct work removed because it was wrapped in asbestos tape that ...
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2answers
44 views

Do I need to install drainage medium for my sump pump to work well in an old basement?

My house is old. Built in 1922. I have installed a sump pump. When we get heavy rains like right now it leaks pretty good. I am in Kansas City and my soil is very clay like. The lowest point in the ...
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Sump Pump Depth

I have my 2006 built home on the market. A prospective buyer is asking whether our sump hole is too deep? Is there such a thing as too deep and what are the ramifications?
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Is it normal to have your load bearing wall not line up with your basement support posts and joist?

I am looking to do a pass through in my kitchen, and I was looking to confirm in the basement if everything lined up nicely for the 5-6' header I was going to put in. I noticed that the wall (load ...
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1answer
35 views

Is there a temporary solution to alleviate wet carpet stench in the basement?

Yesterday I discovered that part of the carpet in the basement is soggy and there's a sewage-like stench. I've contacted both the water damage restoration company and the insurance company to evaluate ...
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is slab in basement for water control under house

Is channel in basement standard design? Determined that this is a 4 inch poured slab apparently on top of the original slab with some holes in the channel. Is this for ground water control under the ...
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2answers
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Concrete vs suspended floor over vapor barrier

Our house has a sizable crawl space large enough to use as storage. The space has no slab covering it, but due to radon issues, it does have a vapor barrier to maintain a suction for the radon ...
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1answer
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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 ...
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Unfinished basement in Georgia townhome; would vapor barrier on interior trap moisture?

I have a town house that is a middle unit on a slab. The back wall is above grade, with exterior windows and door. The sidewalls abut adjacent units, so there is no wall in contact with soil for the ...
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37 views

Using a Flitch re-inforce a notch in LVL

I am looking to make a small notch in an LVL beam in my basement. In full transparency, I have installed a golf simulator in my basement, and I need another 2-3 inches of height to swing a driver ...
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What should I be concerned about on this house?

Please see: Is channel in basement standard design? I'm concerned the first block course is being used as a permeable tile when it's not designed as permeable. Is water heater or furnace destroyed? ...
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3answers
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Can this water damage be explained by lack of gutters and grading issues?

We are currently midway through a major renovation to an old house. Part of the renovation was digging out a new basement and adding a new foundation around it. The basement has a ceiling height of ...
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21 views

positive pressure in a furnace room

I am planning to install an insulated exterior grade door on a finished furnace room in my basement. The room will have a hot air supply register but i read that I cannot put in a return because i ...
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Favorite adhesive for gluing foil faced poly-iso against concrete?

In the basement, gluing FOIL FACED Poly Iso to the foundation walls (Poured concrete). I was planning for XPS and was going to use proper foamboard adhesive. However, I am now going to be installing ...
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My basement perimeter tile drains into my sump pump pit and floods my basement

My basement perimeter tile drains into my sump pump pit and floods my basement. I struggle to pump water out on my small property. there is a field tile on my property however it has been clogged for ...
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2answers
84 views

LVL Floor Joist Notch / Reinforcement Question

Please see image attached. I am looking to make a notch in a 11 1/2 LVL beam spanning 17ft across my basement.
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R5 or R7.5 XPS before R11/R13 Fibgerglass for basement in Zone 5?

Insulating basement walls that are most below grade. Zone 5, and using a mix of rigid foam board and then framing 2x4 walls and insulating between the studs with R11 or R13 (whatever is on sale and ...
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2answers
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How to fix leaks in concrete and steel bulkhead

I have a bit of an urgent situation forming. I recently purchased a house that's 55 years old, with "no history of basement leaks." Long story short - my basement flooded yesterday during a small rain ...
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2answers
91 views

How can I drill conduit hole through plywood firestop I can't reach?

I'm trying to run a 3/4" conduit (1" OD) from unfinished basement utility room A to unfinished utility room B, through the ceiling of finished room C. There are several floor trusses which are easy ...
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49 views

What might have caused these cracks on a load bearing post in the basement?

The photo is of the top of the only post in a basement room about 27'x18'. I presume it is a load bearing post. The cracks seem new (i.e., no dust or cobwebs and I have not noticed them before). How ...
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1answer
103 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
37 views

HVAC Heat Supply - Register type (Square Register or Round Diffuser?)

We are adding new heat supply runs to our basement ceiling. We have had 3 HVAC contractors look at it and all 3 want to use 5" round air diffusers instead of the normal metal square registers. Here ...
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1answer
33 views

self leveling layer with internal French drain

I am planning to pour a layer of self leveling sealant such as levelPro to level out my basement floor and cover / encase some possible problematic vinyl tiles. It's an older house, and I believe it ...
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102 views

?? black tubes in basement floor?

My house in Canada is 14 years old . From original construction, rising up out of the concrete basement floor are 18" black tubes about 3/4 inch O.D. in three different locations . What are they for ?...
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3answers
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Do we need steel beams when installing an Egress Window [closed]

Our contractor suggests that we use steel beams restraints when we implement our egress window his explanation is: "Because your foundation is so tall, I don't want to cut the egress without ...
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1answer
43 views

What gauge wire do I need for basement sub-panel?

Basement subpanel (100A max) will serve: One 30A clothes dryer (220V) One 15A bedroom outlet circuit One 15A utility circuit (furnace, washing machine, misc) One 20A bathroom circuit Two 20A ...
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1answer
29 views

What to consider before removing a drop ceiling?

My basement has a drop ceiling in a semi-finished part of it and we've removed many of the panels in the process of updating the house's wiring. With most of the panels off and clear view of how ...
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2answers
61 views

Insulating basement concrete walls - anything missing?

Live in Zone 5b, going to shoot for 2" of XPS DOW foam board. Planning on gluing it to the concrete wall with foam board glue and bracing it while it cures. It will run to either the top edge of ...
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1answer
77 views

Basement bedroom [closed]

I was sold a house as 3 bedrooms with the third laid out as such in one of the basement rooms. I had a survey done. However now discover ceiling should be 7ft, the room is only 6ft4ins. Do I have any ...
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1answer
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We noticed a small puddle in the basement due to melting ice but it has not happened since - should I still replace patch on foundation wall?

We noticed a small puddle during a warmer period last week and traced it back to the foundation wall. I removed the drywall and insulation (it was only on top half of wall) and found that the previous ...
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2answers
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Can I paint my floor in two stages with epoxy?

We just redid our basement floor and I am considering epoxy paint (with texture flakes) for the floor. I prefer not to move everything out again for this process, so I'm considering moving everything ...
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4answers
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Small Drywall Tiles for Ceiling [closed]

Im finishing my basement and I don't trust little drywall screws to hold a big and heavy sheet of drywall on the ceiling. Even when professionally installed and it's said to be conpletey safe ...
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2answers
74 views

Moisture is leaking through my basement walls, but the house is surrounded by concrete. Worth fixing?

I'm in Minneapolis, in a house built in 1886, fully renovated a few years ago. The basement is finished. This has been an extremely wet winter, with lots of snow and ice that is now melting. Some ...
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2answers
88 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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1answer
114 views

How do I insulate my unfinished basement with half foundation, half siding?

I have a 1910 bungalow with an unfinished basement. The issue I'm encountering is that the main floor gets extremely cold in the winter and requires a lot of heat ($$$) to keep it warm. The unfinished ...
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1answer
37 views

DIY cold room ventilation

I live in Southwestern Ontario (seasonal temps of around -5°c in the winter, around 30°c in the summer) and I would like to build a cold room in my basement. The basement is unfinished with poured ...
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3answers
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Heating basement floor with water heater

Can I simply add a loop of pex from my water heater, under my flooring, and back into itself? Would I need some sort of pump? I haven't laid the tile yet and water heater is right on the outside wall ...
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1answer
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How thoroughly should I scrape paint from cement basement wall before insulating?

I'm going to finish one corner of my basement and want to insulate the two adjoining exterior walls so that the space will stay warm in the winter. The wall was painted a few years ago and the paint ...
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1answer
68 views

Should a bathtub be installed on a concrete slab or the subfloor that will be installed over the slab?

I am currently finishing my basement and looking to install a bathtub. I have already decided that I will be using a sub-floor in the basement. My question is: Should I place the bathtub directly on ...
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1answer
61 views

How can I reuse lumber from the basement walls of my 1938 home?

I'm capable and ambitious but inexperienced. If the solution to my question is obvious, I probably didn't find the answer because I didn't know the right terminology to Google the question! In my ...
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1answer
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Basement foundation bowing inward and cracks

Foundation Walls are bowing inward in basement and big cracks and step cracks should I leave my house ? Is it safe ?