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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How to finish dirt floor in a basement?

The floor of the basement of our house is half a flat area with a concrete floor where the washing machine and so on are, and half a semi-flat, slightly sloping dirt area, with the dirt area being ...
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6 votes
2 answers
3k views

How to improve wooden joists without removing them

First floor bathroom in a Victorian terrace house. Floor joists run left to right with floorboards laid front to back. Joists are approx 10 foot long. At some point in the past, the previous owner ...
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6 votes
3 answers
4k views

What should go between a wood plank sub floor and a hardwood strip floor

I am about to install a hardwood floor into a room in my 1905 farmhouse. The subfloor is 8-12" wide 1" thick planks. The floor I am installing is 2-1/4" prefinished solid hickory tongue and groove. ...
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6 votes
2 answers
428 views

What do I have to do to prepare my garage floor for paint?

I'd like to paint my garage floor, possibly with textured paint. What do I have to do in order to get my garage floor, which is currently dirty and somewhat oily, ready for something like an epoxy-...
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6 votes
2 answers
314 views

Is the back section of this house salvageable or should it be knocked down?

My grandfather's house is getting to be in bad shape after years of neglect and more so the back section of the house is falling apart. Now the back section of the house, if I remember correctly, was ...
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6 votes
2 answers
336 views

Can I have underfloor heating with solid oak floor?

I've seen that many underfloor heating mats (the electric ones) specify the need for tile or stone floor and I'm wondering if it will work as efficiently under a solid oak floor? (or any wood floor ...
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  • 163
6 votes
1 answer
2k 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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6 votes
1 answer
4k views

Our vinyl floor install will need to be redone -- will new vinyl need to be used, or can the existing vinyl be reused?

I had a company (whose name will not be mentioned unless they refuse to fix the job) install a new vinyl floor. I'll spare all the ugly details except the one that's relevant to this question which is ...
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6 votes
1 answer
9k views

How do I prepare an interior cement floor for painting?

I have an enclosed carport that serves as 4th bedroom/den in a 30 year old house. This room has long been used as storage, etc, and is in fairly bad shape. I'm rehabbing it to serve as a home office, ...
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6 votes
2 answers
45k views

How to install baseboard at the transition between floors with different height?

Recently I replaced the carpet with engineered floor. However, now I met the difficult to install the baseboard between the two floors with different height. See the picture: I don't know what's the ...
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6 votes
1 answer
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What should I do to level an uneven floor with a potential load bearing wall above?

I'm trying to level the first floor in my 90 year old house. The floor joists are held up by a wooden beam composed of 5 2x8s, which is held up by two steel columns. In the middle of the wooden beam ...
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6 votes
3 answers
939 views

How should I repair this floor joist that is too short?

My son recently bought a 100 year old house. We have been working on some framing repairs in the basement, and have some questions about the best way to sister some joists. This is a balloon framed ...
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5 votes
5 answers
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Do I have to check if my floor is level before installing new linoleum (from a roll, not tiles)?

I just tore up my old linoleum flooring and will be installing new linoleum in the next few days. Some internet research has revealed that I need to make sure the floor is level and, if it is not ...
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5 votes
4 answers
35k views

How do I make my floors more stable?

My builder did (what seems to me) a cut rate job on my floors. When I walk around in my house my table and entertainment center (and other such things) shake as I walk past them. (Heaven help me if ...
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5 votes
4 answers
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How do I repair a floor joist which has a hole drilled less than 2 inches from the bottom?

I have three floor joists that have approximately 1/2 inch hole in them less than 2 inches from the bottom. Is there a recommended fix or approved method to correct this to meet code? These joists ...
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5 votes
3 answers
12k views

Can I lay down solid wood planks on top of my basement concrete floor?

I live in Oakville, Ontario and have a detached home with an unfinished basement with concrete floor. I would like to put hardwood flooring in part of the basement. Instead of tongue and groove floors,...
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5 votes
1 answer
480 views

Floor supported by nails, is it structurally sound?

Each time I look under this floor it bugs me; how can so few nails support an entire floor? Is this standard construction practice? It is an 80s house in Canada. New pictures to satisfy your ...
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  • 153
5 votes
4 answers
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Soundproofing a floor: How about cement backer board w/ Green Glue and mass-loaded vinyl?

I've been researching soundproof underlayments for floors, but the selection seems to be very paltry. It appears that you're pretty much stuck with mass-loaded vinyl (MLV), QuietWood, and a few other ...
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5 votes
5 answers
27k views

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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5 votes
4 answers
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Can I install hardwood floors (not floating) on a concrete floor?

We have recently bought an old house, and the ground floor has a hard floor and is currently covered in tongue and groove laminate - which we hate. We'd like to put reclaimed floorboards down - is ...
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  • 155
5 votes
1 answer
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Cutting already installed tile?

I am planning on installing floating laminate flooring in my hallway among other places in my house. I wanted to take out the tile on the outside of this small bathroom and I wanted to wait to replace ...
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5 votes
3 answers
22k views

What can I do about mild water/moisture damage to laminate wooden flooring?

Yesterday, I accidentally left the window open while it was raining heavily. Some rain poured in for a while (maybe a half-hour or so) before I noticed. After I had wiped off the floor, some dark ...
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  • 153
5 votes
2 answers
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How to level a section of raised concrete floor?

I had a plumber move a toilet drain on cement slab. The new concrete he poured is about 1/8" higher than the rest of the floor. I need the floor to be level for tile installation. The new concrete is ...
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5 votes
1 answer
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Can I hang a hammock from basement joists?

My basement is what I assume is a typical setup, built in the 1970s. 2x8 joists run from the outer cinderblock wall to the center beam with an approximate 11 foot span. I'm thinking about hanging a ...
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5 votes
2 answers
12k views

How can I clean a very dirty concrete basement floor?

My basement floor has been made amazingly gross (thank you, cats) and I'd like to get it really clean. Is there an option other than scrubbing on hands and knees? Are there cleaning solutions that ...
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  • 153
5 votes
1 answer
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Dealing with scratched floor tile

I have a kitchen with a tile floor. In one corner, there's been a pedestal style garbage bin. It seems that stepping on the foot pedal has caused the bin to shift slightly during each use, and over ...
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  • 356
5 votes
2 answers
10k views

How do you sister joists?

I am replacing part of a floor because of water damage. I have removed three layers of flooring. The joists were unaffected by the rot (as was the bottom floor, but I removed it anyway). I only ...
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5 votes
1 answer
416 views

What type of underlayment should be used when installing engineered floors?

I'm going to install floating engineered wood floor in a 3rd floor condo. It has plywood subfloor. My biggest concern is the noise of walking on the floor that people below me will suffer. My ...
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5 votes
1 answer
30k views

How do I patch sections of polyurethane coating on a hardwood floor?

Sections of the floor in our dining room have worn sections, where the polyurethane coating has worn through to the bare wood. Having the room emptied and properly refinished isn't really an option at ...
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5 votes
1 answer
4k views

How can I raise a bonus room subfloor level with the adjacent floor?

We recently bought a house and closed off upstairs was a bonus room which is over the family room on the main level below. The bonus room has a sub floor already in it, but it wasn't opened. So I cut ...
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5 votes
4 answers
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how to repair large, uneven crack in concrete floor

I have a really long (about 20') uneven crack in my cement garage floor. Not only is it jagged, but the sides of the crack range from flat to about 1/2" high. I want to level the sides of the crack, ...
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5 votes
2 answers
3k views

How can I repair a crumbling shed base?

I think I know the answer to this already but its worth a punt. I laid a 4mx3m shed floor (clearly badly), with about 10 cm of hardcore and 7.5cm of cement, that whilst in the middle appears fine, on ...
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5 votes
1 answer
35k views

What should be done about water under bathroom floor tiles?

There is water getting under our bathroom floor tiles. The landlord believes that due to a recent remodel of whole bathroom, water is not draining from the window ledge but is instead going into the ...
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  • 51
5 votes
2 answers
7k views

What should I do about this load bearing wall that is only supported by a joist floor?

My floors pitch in the same spots as they do on the 1st and 2nd floors. My home was built in the 1890's. I have some soft spots in the basement joists and added 4x4" posts to each side of the main ...
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  • 185
5 votes
2 answers
9k views

How to fix hardwood floor with wear from an office chair

I currently have a hardwood floor that is worn down by an office chair and it needs to be fixed, optimally without having to do the whole floor with a floor sander. As you can see in this photo: the ...
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5 votes
3 answers
2k views

Will internal waterproofing solve my moisture problems?

We've been working on our water problem for awhile now. Here's the deal: There is black drain tile under the home (all the way around) tied into a sump crock. Water was only coming in one side. A ...
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5 votes
1 answer
19k views

What do I level a 2" slope in my concrete basement floor?

I want to finish a 12'x36' part of my basement. The trouble I am having is that it is sloped to a floor drain. I was told that DRIcore and shims would work but the drain is a 2" slope down from the ...
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5 votes
1 answer
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Can I install carpet in the attic?

I'm planning on adding a plywood floor to part of my attic. I have some old carpet that I'm thinking about laying on top of the plywood. Is this a bad idea?
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5 votes
3 answers
36k views

How do I properly jack up one side of my house?

As I write this, I have a slight lean as I walk on my floor in some parts of my house, and it's even worse on the upper floor. In some parts upstairs, it feels almost like you have to grab something. ...
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4 votes
4 answers
148k views

Standard height from floor to ceiling?

Is there a standard height from floor to ceiling. I want to install some false ceiling (plaster board) ... I seem to remember there was a standard but i don't remember it Any help really appreciated
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4 votes
2 answers
479 views

How should I frame a small void in my floor system to support subfloor?

After tearing out the old subfloor in my half bathroom (due to water damage) I am replacing it with 3/4 in (2 cm) plywood. One side overhangs from the last joist about 9 in (22 cm) to the wall, and ...
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4 votes
4 answers
30k views

Is it possible to refinish floors one room at a time?

I live in a small townhouse and would like to refinish the floors in the upstairs of my home. It is very difficult to do all of the rooms at once, but a friend suggested that unless I do this, the ...
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4 votes
1 answer
6k views

Will I cause problem/cracks with jumping exercise in upper floor?

Every day I am doing my martial art practice in upper floor. It contains jumping and power movements which cause sounds downstairs. Is there any problem for concrete by this continuous jerking ...
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  • 141
4 votes
2 answers
3k views

Should I remove nailed-down plywood before laying tile?

In my bathroom there is vinyl on top of plywood, which is nailed to the sub floor. Should I pry up the plywood before putting down cement backer board for tile, or can I go over the plywood?
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  • 143
4 votes
1 answer
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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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4 votes
1 answer
5k 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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  • 1,403
4 votes
6 answers
50k views

How should I prepare a plywood subfloor for floating vinyl plank flooring?

The floor of my laundry room was three layers of hideous vinyl flooring of various vintages, a layer of 3/4" plywood underlayment (to match the height of the vinyl to surrounding hardwood flooring) ...
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4 votes
1 answer
670 views

What are my options for hardwood floor scratch and gouge repair?

I have a 10 month old puppy who recently discovered her (apparent) love for the taste of wood putty. There was a rather large knot hole that had been plugged and finished in our living room floor that ...
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4 votes
2 answers
425 views

How can I repair the structure of this floor?

I am working on a house that the concrete piers on the back side have tilted, and pulled the ledger board and header away from floor joists. this resulted in the floor joists dropping over about a 30 ...
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4 votes
1 answer
2k views

How do I cut grooves in self-leveling concrete to incorporate an existing drain?

This is a follow up question to my previous question about leveling a basement floor without losing the drainage. After the feedback I decided to use self-leveling concrete and cut (or form it in ...
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