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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23 views

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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1answer
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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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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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Where should I start laying nail down hardwood flooring and how do I make it straight?

I'm planning to install tongue and groove hardwood flooring in my living room, dining room, kithcen, hallway, and powder room. The longest unbroken length of floor runs from the front bay of the house ...
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1answer
78 views

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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1answer
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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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1answer
49 views

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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1answer
71 views

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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1answer
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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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1answer
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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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3answers
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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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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
330 views

Is joist blocking safe on these old warped joists?

I purchased a house built in 1960 and like other people have mentioned the terrible bounce, I got the same exact situation. I'm thinking of installing blocking to strengthen the floor. The 7 joists ...
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1answer
140 views

What causes and how to fix lifting floorboard?

It doesn't seem to want to lift up. I assume it is some sort of tongue and groove board because there are no nails or screws anywhere. When I press down on the lifted part with a lot of force it ...
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1answer
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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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1answer
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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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2answers
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Touch up my garage floor after applying epoxy coating

We put RustOleum epoxy floor paint on the garage floor. There were light streaks on it when it dried. We repainted the light spots and reapplied the sparkles. It looks like its not going darken to ...
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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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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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2answers
88 views

Advice on building a livable cabin floor on a concrete slab with insulation and plywood

I'm planning to build a 10 x 12 living space based on a shed design. The shed will rest on an existing concrete slab therefore my plan is to lay 6 mil polyethethylene sheeting and foam board ...
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2answers
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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
49 views

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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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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2answers
113 views

Approaches to level a concrete floor with shallow pipes

I have a situation very similar to How to level a section of raised concrete floor?. Except, in my case the obvious solution of grinding the high point is not possible. In my hallway I have a raised ...
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2answers
150 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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1answer
182 views

How to even floor varnish without sanding the whole floor

We rent a flat with a rustic Victorian look. They've removed the carpets and varnished the wooden planks under them. Looks very rough but also nice. The problem was that they also varnished over some ...
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2answers
200 views

Is there a better method for affixing UPVC floor trim to skirting, other than the adhesive tape provided?

Can anyone recommend a better method of affixing UPVC (e.g. Homelux) floor trims to skirting other than the adhesive tape provided? Can you mechanically affix them or is it just down to adhesives?
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1answer
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Replacing floor boards and joists

I am replacing water damaged floor boards in my bathroom. They were previously tiled and I will be tiling them again. It's an apartment and below the floor is concrete, with joists between the ...
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4answers
2k views

setting up long runs of hardwood flooring: where to square from?

So I have a 3 bedroom house, middle room being the smallest. The master is the widest covering the width of the house, and the 3rd room at the back is long and 2/3 the width of the master. I am doing ...
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3answers
2k views

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
109 views

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
41 views

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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2answers
53 views

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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1answer
621 views

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
83 views

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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5answers
32k views

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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0answers
35 views

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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4answers
371 views

How to remove stains from tile?

I have a very weird stain on the bathroom floor of an apartment I just moved into. Is there an easy way to remove this stain? Also, what is the material of this tile? Is it like a concrete tile? Or ...
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0answers
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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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2answers
336 views

Basement floor drain back up, 1/2" snake failed, what next?

The basement floor drain is having backup after the wash cycle from the washer, it doesn't backup from other water usage. I had a plumber came in to power snake with 1/2" tip (and few other tips) ...
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8answers
9k views

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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0answers
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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
4k views

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
58 views

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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3answers
111 views

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
49 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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