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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149 views

laminated flooring vs OSB

I'm considering the option of using OSB(10mm+ thick) in stead of laminated flooring, the floor is currently just concrete, on top of which there's linoleum on top of which there's a carpet. What I'm ...
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1answer
146 views

Ideal approach to level a 6x8 ft bathroom?

I am in the slow process of remodeling a small bathroom. The room is roughly 50 square feet. I am down to the bare joists and have 3/4" plywood that I'm about to screw down with 3" screws. After that, ...
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1answer
3k views

Filling large hole in concrete floating floor

I have a big hole in my kitchen floor (inserting a beam and post to take down a load bearing wall), and I'm now left with having to fill this hole (after dumping around 300 mm of concrete on the post ...
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1answer
1k views

How to resolve subfloor squeaking when screwing does not fix the problem?

I just bought a new house, and the subfloor is very squeaky. The subfloor is 3/4" tongue-and-groove OSB which has been nailed down on 19" spaced joists. Luckily, I am changing the carpet to wood ...
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1answer
46 views

Track Sagging Floor Over Time

We recently moved some furniture around in our 100+ year old house, and it's drawn attention to the fact that some of our floors aren't 100% level. I can't really tell if this is something that's new,...
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3answers
8k views

Can I use self leveling compound to level old thin set over plywood subfloor?

The previous owner of my house tiled all the bedrooms on the second floor. I would like to remove all the tile and lay down hardwood flooring. So far I have removed the tile and now have all the thin ...
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598 views

Floor Load Guidelines For Second Floor Bookcases

I am considering moving a large number of books in bookcases to a second floor room, and I am confused by the application of live load to this situation. Each case has a 2.3 square foot footprint, ...
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0answers
124 views

Mystery: Water vanished from flooded basement with no floor drain

I live on a century old home whose unfinished basement got flooded this week. We had heavy rainfall which overwhelmed the city's storm sewer. At a certain point there were about two inches of water ...
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1answer
111 views

Applying flammable coating at temperature below its flash point

I want to apply a xylene-based urethane coating with a flash point of 81 degrees (F) to an epoxy floor in a windowless 8' x 8' room equipped with near-new 100-CFM exhaust fan. I hope to be able to ...
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30 views

Add tile to kitchen floor, eveness problem

My current kitchen floor has a plywood subfloor with glued on vinyl tiles. It would be better to have a mortar bed with ceramic tiles, but if I do this, it will add about an inch and a half to the ...
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2answers
82 views

Tile placement (wall and floor)

Is it wrong if the bathroom floor tiles' ends are not under the wall tiles? Does that affect a bathroom's ability to repel water? P.S.: My contractor tiled the walls first and even though he left ...
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1answer
79 views

Can mangled concrete floor be fixed?

On our property there is a fairly old garage that hasn't been tended to in some time. The floor is cracked and buckling. What are possible fixes for this? I've attached a photo. If you look ...
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Leveling techniqe for wooden floors

I have a hole in a wooden floor as shown on the picture below. There are different bumps on the underfloor beneath. There used to be and old furnace installed here before so it's possible that the ...
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104 views

Making an attic space into walkin closet

I have an attic space which is on top of my living room and 13'X20' size. I am trying to convert this space into a walk in closet. It has 14, 2x4’s joists spacing 16” on center on 13’ direction. It ...
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1answer
608 views

What should I do with an abandoned gas line in my kitchen floor?

I am currently renovating my house and have just had the kitchen plastered. After removing the cabinets I found this under one and am looking for any advice as to what it may be and options in regard ...
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2answers
2k views

Leveling options for bumpy basement floor

I have a 125 year old townhouse with a large (700 sq ft) basement. We had waterproofing done (vapor barrier, perimeter drains, sump pumps) last year that dried everything out and made the space usable....
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2answers
7k views

Half-inch Gap between wall and floor in second floor bedroom

I moved a bookcase today was surprised when I looked at the wall. There was a 1/2" gap between the wall and the floor (see photos). The bookcase was not heavy, only used to hold kids games. It was ...
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2answers
3k views

What insulation materials for converted vans?

I want to add insulation to the ceiling, walls, and floor of my van as a first step to convert it. What are the recommended/available materials for that aim? By "convert" I mean to turn a regular ...
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2answers
111 views

Should I remove existing subfloor sheathing before increasing height of the floor system?

We're turning a 13x13 area of attic space into livable space. The new 13x13 area joins an existing room. The attic floor structure is: 2x8 floor joists and OSB board on top. There is a ~5 inch step ...
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1answer
138 views

Oscillating or Drum Floor Sander

I'm refinishing the floors in a 4 bedroom house, built circa 2003. The house is roughly 1800 sqft total. The 4 bedrooms have pine floors, while the living room and the hallway are some sort of ...
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6answers
48k views

How can I locate floor joists?

I want to use some stop squeak screws that pull the subfloor tight to the joists, then break off beneath the surface of the floor. I am having a difficult time locating the joists: my stud finder ...
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2answers
33 views

Tiling floor in porch and entry hall

I need to tile the floor in the porch and entry hall (total area about 3 sq m). The problem is that once the tiles are laid, it should stay undisturbed for at least 12 hours (better 24). This is where ...
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1answer
580 views

Vacuum sucked in some of the grout between tiles, how to fill the gap?

I was vacuuming these tile floors and the grout came off. Should I fill it with cement? Is it damaging to leave it like this, should I not mop it?
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2answers
10k views

What happens if I paint a concrete floor without pre-treating it?

I got some free polyurethane / alkyd based floor paint and painted my garage floor (used as a woodworking shop). I didn't pre-treat it in any way, just cleaned it. The workshop is relatively new (2014)...
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2answers
573 views

What's the proper way to address a moisture issue in a concrete slab?

About 4 years ago my wife & I purchased a home. It was approximately 10 years old at that time. The foundation is a concrete slab. Approximately 2-3 years before we purchased the house, the ...
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1answer
41 views

Sand and finish old wood floors, just aesthetic?

Consider a very old wood floor. What are the reasons beyond purely aesthetic to sand and finish it? In particular, does finish fills the small gaps between the wood pieces, thus isolating better the ...
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4answers
326 views

Would two 1x10 placed together be as strong/load bearing as one 2x10

I have a rotted joist in my floor that I can access through my basement, but is above several pipes. I could squeeze a 1x10 through the gaps but can't get a 2x10 to fit. So wondering if I got two 1x10 ...
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1answer
101 views

What to do about water under interlocking floor?

I started a load of laundry and apparently the drain tube had come out and it ran most of the water from the load onto the floor.. We have the interlocking floor tiles but there are gaps and in a ...
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1answer
80 views

Floor lamp - what is this part?

I would like to repair this floor lamp. The piece in the picture has snapped but I’ve no idea what it’s called to get a new part. Can anyone help?
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2answers
1k views

Door jamb and molding too short after replacing carpet with hardwood floor?

I've recently replaced carpet with hardwood floor. The door jamb and molding are now too short. Prior, the carpet was plusher and made the gap in this one door jamb less obvious. Door Jamb Molding ...
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2answers
98 views

Rotten Floor under immovable claw tub

I'm a renter. My landlord doesn't fix things all the time. They have fixed things but this house is such a project that many things get ignored and some things don't get fixed at all or fixed right. ...
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1answer
4k views

Can I replace a hardwood floor board without replacing the entire floor?

I have a piece of floor that expanded and is popping up due to some water damage (attached photo). Is it possible to just take out the piece and trim it down to make it fit? Or would I need to ...
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3answers
61 views

Venting floor heating

I've had sub-floor heating installed a month ago and I think I have a problem with the air in the installation, because there are some rooms that don't reach the desired temperature. The plumbers ...
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1answer
153 views

Best way to clean tiles (shower)

What's the best way to clean tiles? Especially in the part between the tiles (which the glue I suppose)? Is there any good trick/recipe? Shower tiles in case it matters.
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1answer
48 views

Cork on _top_ of hardwood floors?

I have hardwood floors in a rental unit and I'd like to turn a portion of one room into a 'workspace'. But I'd also like to protect the floors from minor spills, tools falling, etc. I know that some ...
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0answers
37 views

Refinish Part of Hardwood Floor?

I have a large spot on my floors where an office chair has been rolling back and forth on for years. The spot is now a bit worn and the finish on the surface has faded over time. In the photo, bottom ...
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2answers
310 views

Gradient of floor [closed]

I am trying to work out how much my kitchen floor slopes before putting in a flat pack kitchen. The spirit level says it is a 2 degrees slope so how much does it drop over a metre? Appreciate any ...
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1answer
2k views

What is this hole in my concrete basement floor?

I've striped my basement floating floor, as I want to have a epoxy/polyurea flooring installed. I've found this hole, with a plastic frame, under the floating floor. It was covered with some ...
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1answer
536 views

Does my vanity's sink need to be offset from the bottom-exit drain pipe?

I am installing a new sink/vanity in a older house. The drain pipe for the sink is down through the floor (as is the water supply lines) and not in the wall. When I position the new vanity, do I need ...
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3answers
1k views

Self-leveling alternatives to gypsum concrete (Gyp-Crete, Pyrofill, Securock) over OSB?

Replacement options for < 1.5 inch pour? Details: Bathroom remodel (new tub, tile wall/floor, toilet, vanity). Old tile floor came up with finger pressure, found that the gypsum concrete ...
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3answers
2k views

Fix uneven tile

My first tile job has not gone according to plan. This was my previous post on preparing the underlayment for the small mosaic tile. I pulled up the OSB and replaced, re-secured the subfloor, ...
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0answers
58 views

Basement Floor Cracks

I have very thin cracks in my basement floor and I'm attempting to patch them before trying my hand at acid staining the floor. I've read some differing opinions on the use of hydraulic cement or ...
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1answer
53 views

Best insulation system below a wood floor exposed to nature

This area to be insulated is just past the wood deck. You can see chicken wire holding up the old batt insulation that is been torn down by various creatures! The floor is supported by joists laying ...
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3answers
976 views

How to spread load of fish tank

I am adding a large fish tank (65 gallons) to my second floor and would like to make sure to distribute the load across as many joists as possible. Is my best way of doing that to build a long, short ...
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1answer
1k views

How should I install an access panel in a high traffic floor?

I have a bit of a bastard plumbing joint which resides directly under a main doorway in my house. I recently needed to cut into the flooring in order to make a repair. I've dealt with trapdoors in ...
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0answers
91 views

Salvaging a poor bathroom floor

Recently I completed a bathroom remodel mostly on my own. It was an overly-ambitious project and one of the key mistakes I made was rushing the prep-work for the sloped tiled floor. The bathroom ...
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0answers
100 views

Can we glue goza mats on the floor?

Is it possible to cover the whole floor of goza mats and glue the mats on the floor? It is to have the floor look like tatami. I would like to know how to lay goza mats, having it stick to the floor. ...
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1answer
49 views

Loft Insulation Alternatives (UK)

The UK building regulations require 100mm of loft insulation between joists and 170mm over, ie 270mm of insulation in total. If it were to be bordered out for use as office, with sistering the joists ...
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3answers
2k views

How to shave down or flatten - surface concrete of garage - rain water leaking in under door

I have a garage floor - the floor in the garage has sunken leaving the area at the exterior foundation wall - Entrance - to sit up higher like a nice ramp which makes a perfect Rain Water collection ...
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2answers
31k views

Can a room be very cold because of the floor?

My house has a very small kitchen which is actually an extension of the house with its own roof. I suspect its roof insulation is old and not effective, because this kitchen is quite cold (8 degres ...

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