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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148 views

Unfinished basement electrical re-wiring, protecting cables on cinderblock, also corrosion concerns

My basement has old electrical wiring, looks like it was a replacement for some even older knob and tube (which they largely left in place of course). While they did wire up lighting somewhat, though ...
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93 views

Basement walls above grade are wet outdoors after rain

I would appreciate any tip, help on diagnosing the symptom below. Been searching online to help diagnose symptom of "wet patch on exterior wall after rain". Did find several useful resources, ...
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87 views

How can I change planes with a row of copper water pipes?

I have five 3/4 copper water lines coming into my mechanicals room along the ceiling - so they are nicely lined up in a horizontal plane, parallel to the plane of the ceiling. However, our manifolds ...
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42 views

Basement shower construction, 2 parts!

Question one: I have a 5 inch cast iron drain pipe roughed in. Is there an adapter to put on the drain to get it down to 2 inches??? Without me having to bust the floor up and change it ...
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1answer
30 views

Framing a knee wall in front of a 1/2 height foundation wall with windows

I have a light basement with 3'6" foundation walls with windows framed above. The finished height of the window sill is 5" above the concrete sill. I want to frame a knee wall in front of the ...
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24 views

Interior Wall French Windows

Does anybody know where I could find, reasonable priced, french windows that I can use in an interior wall for my finished basement? (Toronto area). That means both sides would look the same. No ...
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1answer
67 views

Keep and patch, or replace white rigid foam during basement remodel?

I'm removing old wood paneling and drywall which is glued to (what appears to be regular Styrofoam) foam board, which is glued to a cinder block basement wall. The goal is to add more insulation (2x4 ...
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22 views

I want to make sure the basement bathroom is plumbed correctly

Going to tap into the sewer line in the basement for a new 3/4 bathroom. Can I run a 4" branch to the toilet and have two 2" wye connections for the shower and vanity? Below shows the sewer location. ...
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69 views

How to best cover corrugated plastic along basement wall without affecting the catching of wall water?

We recently had the drain tile replaced in our basement. We are in the process of putting in vinyl planks in the unfinished portion, and have these black plastic correlated pieces lining the walls. ...
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117 views

How should I address water seeping into basement?

I just bought a house that was built in the early fifties, with an unfinished basement. Recently, after a heavy rainfall, some water leaked into certain parts of the basement (see photos). This is a ...
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44 views

epoxy paint in the basement with a wood stove?

is is safe to paint my basement floor with epoxy paint with having my wood stove down there? I wanted to paint my basement floor with epoxy for the purpose of not having to repaint it each year but I ...
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38 views

When finishing a basement, how do I transition from walls to doors/windows?

I am planning to finish my basement, which is currently naked poured concrete foundation throughout. I have a new door and new windows (only one shown in the Figure below because they are identical). ...
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50 views

How to insulate / finish a row house basement?

I am planning to insulate the basement of my row house. Given that I'm in Region 5, I will need proper insulation on the exterior-facing basement walls. But what about the walls facing the neighbors? ...
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238 views

Is it possible install a drain flange without breaking up the concrete around the roughed-in pipe?

My house was built with rough-in plumbing in the basement cement floor as are many houses in the past 25 years. The rough-in plumbing includes a 4" PVC pipe in the floor for a toilet and a 2" PVC ...
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51 views

home electrical not working as it should

I have a 115 volt 20 amp breaker but at the plug its only showing 79 volts what can the issue be? I changed the breaker and checked the voltage at the panel
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115 views

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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305 views

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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1answer
566 views

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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36 views

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
29 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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72 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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55 views

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
261 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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55 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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175 views

What are the black tubes protruding from my basement slab?

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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223 views

Should I frame out my foundation walls before or after I install the subfloor?

I'm about to start on finishing our basement and I'm going to put down a subfloor of DMX AG along with 5/8" T&G OSB. Should I frame out my perimeter foundation walls before the subfloor or after? ...
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509 views

When does a splitting floor joist become a problem?

We recently moved to the US Northeast and bought a 6 year old, two level plus basement house. I've been finishing the basement and have noticed several floor joists are splitting. I come from a ...
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2answers
293 views

What is this construction material under my drywall?

I'm trying to understand the construction of a wall in my basement in order to determine how best to attach French cleat hangers to it. The studs I have been able to find with my stud finder have ...
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22 views

access to backflow preventer assembly

My backflow preventer assembly access is in my basement and its right below the proposed vanity space in our proposed basement bathroom.(we have planned a 48 inch vanity , but if i cut down to a 36 ...
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19 views

Im making a room in the basement and have a problem with framing

There is a room in my mother-in-law's basement which was partially framed a long time ago and I was wanting to finish it. The problem is there is an exterior wall which sticks out and then back in and ...
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150 views

Basement room + concrete foundation + drywall + moisture question

Basement + concrete foundation + drywall / moisture question: just got drywall glued to a small portion of concrete foundation in an unfinished basement room: Should I have contractor remove these ...
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50 views

Insulation for crawl space with framed wall and foundation

I am encapsulating my crawl space, but not sure what to do with walls above the foundation. At least part of this area could have been a basement I guess, but I am needing to deal with this area due ...
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1answer
58 views

Installing insulation board in basement to control moisture

I just had a basement waterproofing job done and it is doing an awesome job relieving pressure and keeping the basement flood-free (we just had a very large amount of rain here in central PA and it ...
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29 views

Which anchors to use for a wall in a basement [duplicate]

I need to extend one of the walls by approx 30 inches. I will be using pressure treaded 2x4 in bottom of the wall and wall will be about 83 inches high. Which anchors should I use to secure the ...
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318 views

SquidGee Dry System to prevent water seepage in basement?

One of the rooms in my basement has water seepage shown in the following: Some work has been done to patch the honey combs. Due to limited budget, I can only do interior waterproofing. I plan on ...
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58 views

Jackhammer away third basement floor?

I am putting French drains in my basement and I did one side already. When getting the one side done, the contractors found that there was a second floor poured on top of the old (he said people do ...
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78 views

Furnace with no filter is drawing air from the basement which has black mould. I am looking at renting this house?

The house I am looking at renting is old but nice. Problem furnace in the basement has had the outside air intake closed so only draws air from the basement. The filter has been taken away and parts ...
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214 views

How do I disable the battery water level sensor on watchdog sump pump back up when I replace it with a sealed battery?

I am replacing my sump pum back up battery with a sealed battery. What do I do with the battery level water sensor?
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71 views

Basement window coverup leaking

This house is in need of a lot of work. The biggest problem I have right now is the basement flooding. Had new gutters put in in the past month which helped a little but my biggest issue now is where ...
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483 views

Sleepers on unlevel basement floor?

A question related to this one about projecting the costs to finish our basement. We have a poured concrete foundation. I don't think it has been sealed yet, but our yard is graded, our downspouts ...
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4answers
7k views

Will adding a cool air return in the basement help with summer AC power usage?

Pretty much the title. I have a full basement. Part of it is unfinished and has the water heater, furnace, and washer / dryer. The other part (roughly 1/2 of the total space) is partially finished. It ...
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247 views

Quikwall parge showing blotches

We recently parged our basement walls using quikwall parge mix. The concrete is now 50 days old and we are planning on painting it with drylok. However, there is one splotch that still looks wet. This ...
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53 views

Insulation in basement with plaster walls

I’m looking to finish my basement. I have a 1940’s cape cod with a poured concrete basement. The basement walls have a fairly thick layer of plaster to them, very rough looking. It’s and in good ...
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58 views

Building a basement at or below water level?

Is there a method for building a basement that would be at or slightly below water level? We have a home that is built roughly 50 feet from a creek that's generally dry during spring and summer ...
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72 views

How to determine the location of the clogged spot in floor drain using a powered drain auger, and auger tip suggestion?

I have a basement floor drain that clogs and backs up a bit (but do slowly drain all the water). I used a powered auger attempting to clear it but without total success (it drains better but not as ...
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1answer
211 views

What are the best options for rock, for french drains?

I'm installing a sump pump and a bit of drain, in a clay soil basement that happens to have a spring. It is silty fine clay that has a habit of migrating with water and clogging everything. What are ...
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1k views

Do I need a Vapor Barrier In My Basement Walls

I am finishing my basement and am Wondering if I need to put a poly vapor barrier on the walls? My basement walls are foundation block with 1" Dow shiny foam board over them. 2x4 studs against the ...
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71 views

Should I frame energy walls inside sill plates that extend inside the foundation?

So...I'm getting ready to finish our basement, and I noticed that the pressure treated sill plate (I assume that's what it's called) overhangs the foundation by about 2-2.5". Should I just put my ...
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42 views

Septic vented into basement - newly smelly

It appears that the vent for gasses from our septic system, which I've learned through googling normally comes out of the roof, is instead just a 2 inch pipe extending two feet up from where the waste ...
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2answers
66 views

Basement Insulation with waterproofing plastic present

I have a 14 foot basement which is waterproofed. It has a french drain and a heavy duty white plastic covering the entire outside wall. I have half of the basement finished. My question is how do I ...