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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Finishing Concrete basement floors

Alright! This is a 4 part question! I live in a new build in Ottawa Ontario and would like to finish my basement. Basement is below grade, and the house has been up for 6 months. 1 )I'm planning on ...
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how to repair large crack going down length of garage?

My garage floor has a large crack in it that runs the entire length of the garage (approx. 20'). The crack is about 1/3 the way into the center of the garage. and a slab has sunken. my brother in law ...
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How do I reverse the slope of my garage floor?

When I built my garage 25 years ago, the concrete contractor nixed my idea of installing in-floor drains under each car "bay" and assured me that he would slope the floor toward the garage ...
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Lead painted floor below current subfloor: can we leave the subfloor when replacing main floor?

The kitchen floor in our 1860 New England house has many layers. I count 5. We would like to replace the current floor. It's starting to break in many places and we hate it. Below our current floor is ...
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What are the options for mitigating problems with an asphalt garage floor

The house I purchased has a small detached garage that I use as a workshop and a place to store bikes. It is attached to a relatively long straight asphalt driveway. My question has to do with ...
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Can someone help me to verify if my balcony can handle the load of a hot tub

I would like to place a hot tub on my balcony, and need help to double check if my floor joist can handle the load. I have have 2 x 12 floor joist @ 16" o.c. with 3/4" plywood decking and 1/2" ...
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41 views

Is this a reasonable way to create a crawlspace over a structural floor?

So, part of my thinking on "how to build a house" includes the use of a structural floor (slab) with a crawlspace framed atop it to provide space for, and access to, service runs. (Air handling ...
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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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Best ways to repair/replace worn vinyl tile?

Is it feasible/recommended to remove about ten worn out 15.5 inch vinyl tiles and replace them with 10 year old unused spares from the original installation? Tiles are grouted and color match is good. ...
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1answer
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Term for hinge that allows trapdoor to rise and move aside while remaining near-level

What terms describe / can be used to locate a hinge that allows a trapdoor to rise and move aside while remaining near-level? I have a project where a cantilevered* shelf of 3/4 inch plywood will need ...
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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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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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How do I tell if dried flooring glue is oil-based or water-based?

I removed vinyl flooring that was glued down (by a previous owner) in the 1990's, and there is a significant amount of dried glue left behind on the concrete floor. The self-leveler and glue that I ...
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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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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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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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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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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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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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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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Floor Support Repair

Slight sway in kitchen floor, I Removed a divider wall in a basement and discovered the previous homeowner had removed a staircase and filled in the entryway by adding 2"x 12' joists that are only ...
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3answers
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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
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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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4answers
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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
33 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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1answer
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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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3answers
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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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1answer
52 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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2answers
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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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1answer
48 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
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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
175 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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1answer
48 views

Cold air under base board heat from floor

My wood floor doesn't go all the way to the wall underneath the base board radiator. I have a draft coming from that section. - what can I put down to stop the draft and looks nice.
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1answer
62 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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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
105 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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59 views

What should I do to my hardwood floors before moving into a new house?

I have a bit of an interesting situation - I just purchased a home which was essentially new construction (basically taken down to the studs and thus the floors are brand new). This is my first home ...
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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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1answer
36 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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How can I provide effective access to a subdivided space below a non-structural floor?

One problem faced when finished spaces are built atop concrete slab floors (whether slab-on-grade/slab-as-basement-floor, or a suspended reinforced concrete structural slab floor) is "where do the ...
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1answer
197 views

Joist hanger too low?

I'm in the process of replacing the joists in a room in my 100 year old house (original members were too far gone with termite damage to do sistering). Original joists were true 2x8s with a 12 foot ...
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59 views

Is a tablespoon of vinegar and a cloth adequate to clean tiles with compiled soap, dirt residue?

What is a good product that can effectively clean tiles without damaging them? The type of tiles are floor tiles I think are ceramic based on this and are not shiny. I would like to clean them of ...
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1answer
170 views

Building a raised platform fort

I want to build a 4m x 5m raised platform for my kids fort. It will be 2m high. I have a few questions: It is OK to attach the posts at the corners or will I need more in the middle? What do I ...
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How heavy can my fireplace be?

Hello: I am a diy and am relocating a gas fireplace. It backs on an outside wall with one floor joist parallel to the wall under the fireplace. The joist is 2x10 x25ft. Beneath is a wall on an ...
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1answer
334 views

Floor sagging between joist- please help

I recently bought an old home- 102 years old and have some flooring issues. The long story is we bought it knowing it had foundation problems in the rear right corner. The home had a poured concrete ...
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1answer
302 views

What to do about gap in bottom of plasterboard wall when fitting floating floor (UK)

I have removed the skirting boards in my new build house, as I am going to fit engineered wood floor via the floating method. The issue I have is that after removing the skirting, I was presented ...
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Advice on building a livable cabin floor on a concrete slab [duplicate]

I'm planning to build a 10 x 12 livable cabin based on a shed design. The cabin will rest on an existing concrete slab. Many shed designs recommend building the floor with equally spaced joists. ...

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