Questions tagged [floor]

For questions generally relating to the structure and construction of floors in buildings, including designs, materials, support mechanisms, load-bearing calculations, etc. For questions specifically about the top-layer covering of a floor (tile, carpet, hardwood) see the "flooring" tag.

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3answers
3k views

Crusty stuff coming up between basement floor planks

My son bought a 8-year old house, last August, that had some new "plastic" flooring put in the basement over concrete in preparation to putting it on the market by the previous owner. I'm guessing ...
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Oak floor boards - getting an even finish with Polyx Oil

I’m using Polyx Oil hard wax finish on a new oak floor. The boards are grade A2 or B French oak, and I’ve used 2 part filler (Ronseal, “natural” colour) to fill splits, knots and some areas of uneven ...
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40 views

How to make a floor?

OK, that's a very broad question. Let me give the details: We own a very old (estimate: about 100 years) rural house with some land. My wife spent lots of her childhood summers there, our kids like ...
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Filling in a sunken living room to level of other floors

My sunken living room floor is concrete slab surrounded on two sides by higher concrete slabs at the level of the rest of the house. The other wall is a brick fireplace hearth. The wall opposite that ...
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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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Steps to renovate uneven oak tiled Parquetry on cement?

I have Romanoff oak parquetry on the floors, new one shown here with 160mm tiles. The floor is uneven. The old parquetry in the pictures has become a bit dark that I want to polish besides filling the ...
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2answers
102 views

How can I prevent post support brackets from creaking under foot traffic?

I (well, a contractor) added a new addition to my house, and the floor creaks when I walk on it. I crawled under the addition and identified the problem. On each footing, there is a steel bracket ...
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2answers
266 views

How do I best protect my hardwood floors from damage by moving chair legs

I have beautiful oak wood floors in my kitchen. Its looking wonderful since I finally found something great to clean it with. The problem I have though is an ongoing one. I have wood kitchen chairs ...
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Minimum height of step between two interior rooms

I'm trying to figure out the minimum safe (and code compliant) height of an interior step between a kitchen and mudroom. I'm pretty sure 7 3/4" is roughly the max height but is there a minimum height ...
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6answers
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How do you reduce floor sound transmission?

How do you reduce the sound transmission through a floor? Using "green glue" between a couple layers of plywood subfloor seems to work well. Are there any other tricks or suggestions?
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1answer
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Floor Makes Metal Clang When Walked On - One Room

We have a 3 bedroom, 2 bathroom house. The whole house has hard-wood flooring. One bedroom on the corner of the house has a floor that sounds hollow... When walked on it makes a loud clanging sound... ...
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1answer
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What do I need to do to clean/restore these floor tiles?

We have a porch on a 1930s property in the UK which has red tiles on the floor. I believe they are original and in good need of a clean up and maybe some additional work. What do I need to do to get ...
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slab heat pipes and radon reduction

My house has slab heat and the pipes come out of the dirt and go to the heating unit. This is located in my basement and I'm wondering how to seal it to help reduce radon entering the house.
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Unidentified pipe and smelly water trickling under slab into basement floor drain

Our house is in Toronto, Canada and was built in the late 1960's. We have lived here 5 years and currently rent out the basement suite. A few days ago, our tenants complained of a sewer smell ...
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2answers
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Do my HVAC ducts need to hang away from floor joists?

I have a basement that I would like to finish and install a drywall ceiling. And I would like that ceiling to hide the HVAC vents. However, the vents already just (by an inch or so) go over my head. ...
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Why did my installer install 1/4 round corners like this and how can I fix it?

We had a guy come by to finish some previous tile work we had done. The morning of finishing the tile, he called and said he couldn't get the grout to stick along the edges, and it was just going ...
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Converting old mechanics garages grease pit into a storm shelter

We’re wanting to convert an old mechanics grease pit into a storm shelter. What would be the best way to do. We were thinking concrete for a slab and a wooden door for entrance. What is the best way ...
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Fixing garden building floor

I have a "summer house" in the garden, it's been there years, but the floor has started to fail/rot - I managed to put my foot through it! I plan to remove the carpet tiles, treat the existing floor ...
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8answers
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What is this pipe coming out of the basement floor?

I’m finishing an old (1930) empty basement and have a random pipe coming out of the floor. ⁠I have no clue what it is or what it went to as it sits alone in the space. ⁠It is metallic (tested with a ...
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Drafts coming from all floor Heating system ducts. Gaps between sheetmetal and floor have been sealed

I had my heating system, crawl space furnace and leaky poorly insulated sheet metal duct work, replaced a couple years ago with a 96% efficient system. The system was independently tested and ...
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2answers
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How do I install a vapor barrier and insulation in an existing floor?

I have a large room in my house that is built over a crawl space. The floor of this room does not have any insulation installed in it. I live in upstate New York so it is my understanding that I ...
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0answers
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Raising Concrete Floor then install Vinyl Plank Flooring On Top

In order to be level with hall, I need to raise the height of the floor by 1/2"-1" in a room in which I am going to be installing vinyl plank flooring. Previously the room was carpeted so with the ...
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1answer
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Sizing I-beams for two Floors to replace LVLs [closed]

I had an engineer size some LVLs to help support an existing(sagging) floor. See image for majority of info needed. The Blue beam is (3) 14" LVLs laminated [192" (16' 0") Long] and the Red beam is (4)...
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Why do floor tiles exist? [closed]

Floor tiles: We all know them, we all love them, but who are they really? Floor tiles can be beautiful and stylish, adding color and interesting patterns to a room. But 90% of the time, they're ...
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3answers
242 views

Leveling options for an uneven concrete floor in basement?

I live in an old house (somewhere between 1870 and 1920) with a retrofit basement. I also have a high water table, so during the spring rains, we get a trickle of water in the basement ( we've come ...
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2answers
303 views

Cleaning dried up hand-disinfectant from lacquered wood floor

There was some hand-disinfectant dropped on a lacquered wooden floor. Tried to remove as much as possible with a wet tissue but the stains shown in the picture remained... Anyone knows what could be ...
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1answer
192 views

Is sand mix concrete appropriate for a shower floor?

I am looking to have the floor in the shower fall in a single-direction towards to a linear drain, I'm planning to have a fall from 50mm (finished floor level) to 35mm (drain height) over 1400mm, ...
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2answers
209 views

How can I seal a two inch gap in the floor along a wall?

I have almost a 2 inch gap between my wooden floor and wall in the apartment I am renting. I think the dust down there is causing me allergies and I’m worried about the cold AC air escaping down there....
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1answer
44 views

Is it necessary to seal a newly patched basement floor in an old house?

We recently had the basement drain system replaced in our 1930s bungalow. This required removing sections of the concrete floor and filling the parts that were removed with new concrete when the job ...
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4answers
488 views

Should I use an orbital sander or a belt sander for sanding a section of varnished floor?

I need to sand down a small section of our floor and thought I'd buy a small sander instead of renting one for the day. I've been looking at orbital and belt sanders. In particular the two models I ...
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1answer
34 views

Low resource fix for loose wood planks

I just moved into an apartment with a row of loose wood planks along a central walkway. I'm only going to be here a few months, but I'd like to secure them somehow. Unfortunately for me, this house is ...
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3answers
480 views

What to cover underside of shed subfloor

I'm building a garden office (shed) and will build a floor similar to that shown below (minus the flat beams between the joists and the concrete supports). I will insulate the floor using PIR (e.g. ...
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3answers
10k views

What Cement Based Product Is Used for Smoothly Finished Floors?

I recently replaced a floor drain in my basement around which I had dug out the concrete, gravel and clay soil. When I sealed it back in, I laid down a bed of gravel and sand, and then used a ...
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8answers
134k 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 ...
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2answers
2k views

How level should a new floor be?

How out-of-level or out-of-plane does a floor need to be before it is noticeable? Many of the houses I've lived in have floors that are out-of-level, visible to the naked eye. At what point does that ...
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1answer
233 views

Toilet flange concreted into floor, replacement?

I've got a toilet on the concrete floor. The old flange has rusted and disintegrated at the hold down bolt slots. But the flange is actually cemented into the floor. I think my #1 option is to cut off ...
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1answer
159 views

Should we glue above and below our rubber underlayment for wooden floors?

We have received our delivery of 3/4 inch thick engineered wood planks. They are 8 inches wide, random lengths, and the white oak layer on top is about 3/16 thick. Subfloor is very good and solid ...
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2answers
136 views

Should I be worried, or is this a cosmetic issue? floor in 1935 apt building

We live on the 4th floor of a pre-war, 1935 apartment building in NYC. On one outer wall, the oak floor is separated horizontally about 1/2" from the wall/baseboard. The floor is also little sunken ...
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1answer
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Are expansion gaps required in between pine flooring for a shed?

I'm planning to make a timber frame and flooring for a 3 x 2.3m (10 x 8ft) prefabricated garden shed. The construction method I had in mind is similar to the following image from Flickr: For the ...
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1answer
64 views

Is it better to remove existing floor before placing new one

I have an existing marble floor in my kitchen in my house that is 40 years old. I am planning to put tiles there. Is it better to remove the marble floor and then place the tiles, or should I put the ...
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1answer
1k views

Sealing plywood edge and faces (Shed Floor)

I am laying a plywood sheet floor in my shed. I have plywood that is certified for humid conditions rather than wet and the sticker on it also says that the edges and faces should be sealed. It is not ...
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2answers
573 views

Is it ok to insulate external cantilever floor joists with foam board to fix cold floor?

We have very cold floors in the kitchen because the outside air is moving up through the external cantilevered floor. I'd like to insulate it by cutting 2" foam (probably XPS or Polyurethane) and ...
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1answer
63 views

Sunken area under bathroom cabinets

I'm remodeling a bathroom in a Houston, TX house that was built in 1969. After removing the cabinets on each side, I found that the concrete floor is approximately 2 inches lower where the cabinets ...
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2answers
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Garage floor damp

Been reading on line for several hours now. I have dampness on my garage floor, note: it's about 8yrs old. If I put a box any where on the garage floor for several hours, there will be a damp foot ...
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2answers
172 views

What is the difference between floor and subfloor? Is subfloor a part of floor?

Consider the following image (img_1) I guess the whole thing is called a floor framing system and subfloor is a part of the system. So subfloor is a part of floor. is my understanding right?
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1answer
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Is this a floor framing system? what is the difference between joist splices and floor joists?

I googled "floor framing" and got lots of results. The following (img_1) is the simpler one. According to the anotations in the image, there are 7 joists, 2 bearers, 6 stumps, right? Consider the ...
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1answer
266 views

My apartment still smells like polyurethane after over a month! I have a toddler with respiratory issues, please help

I just moved into a recently renovated apartment. I am not sure exactly what work was done or what products were used. It has new parquet wood floors and the place was sitting empty for a month. I ...
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1answer
42 views

Kitchen floor mold?

Is this mold under the tile? There was a leak. The floor is not weak when standing on it. Does the subfloor need to be removed? Or would corcobium spray do the job? And how to remove tile glue? Thanks!...
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1answer
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Grout floor then tile walls?

I've already got the shower floor tiled (4'x8'- half in 2x2 on shower pan and the other half 1'x2' tile). Im using epoxi grout on the floor, and regular grout of the same color on the walls. Should ...
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3answers
378 views

How Do Houses Prevent a Water Buildup in the Flooring?

I have been reading Canadian Wood-Frame House Construction to get an idea how houses are built and function, and am really confused about one aspect. External floors are built just like external ...

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