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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6
votes
1answer
5k views

What does blocking refer to in relation to floor joists?

This question was triggered by the following line in a home inspection: Blocking is not installed for I joists above beams in basement. I have found pictures of blocking at http://www.diychatroom....
6
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1answer
2k views

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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5answers
10k views

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 ...
5
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4answers
24k 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 ...
5
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5answers
72k views

How can I transition between these floors?

I have recently fitted some new laminate flooring to my living room floor. This floor meets directly with the tiled floor of the kitchen. I'm looking to fit some sort of transition bar between the ...
5
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3answers
11k 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,...
5
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4answers
8k views

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 ...
5
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2answers
10k views

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 ...
5
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4answers
6k views

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 ...
5
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4answers
73k views

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 ...
5
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4answers
23k 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 ...
5
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3answers
19k 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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2answers
11k views

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 ...
5
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1answer
9k views

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 ...
5
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2answers
11k 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 ...
5
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1answer
1k views

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 ...
5
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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 ...
5
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1answer
393 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 ...
5
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2answers
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 ...
5
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1answer
22k 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 ...
5
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1answer
1k 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 ...
5
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4answers
24k views

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, ...
5
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2answers
34k 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 ...
5
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2answers
2k 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 ...
5
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2answers
6k 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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3answers
1k 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 ...
5
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1answer
15k 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 ...
5
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1answer
3k views

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?
5
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3answers
31k 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. ...
4
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4answers
124k 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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2answers
120 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 ...
4
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4answers
20k 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 ...
4
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1answer
2k 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 ...
4
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2answers
2k 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?
4
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1answer
63 views

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 ...
4
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1answer
358 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 ...
4
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1answer
616 views

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 ...
4
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1answer
1k 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 ...
4
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1answer
471 views

Crack spanning several tiles

I've got several tiles in my dining room that have a diagonal crack running across them. Since it's a pretty straight line across several tiles, I'm guessing it's a foundation issue. The room is at ...
4
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1answer
858 views

Do I need blocking between 2x8 joists with an 8-foot span in a kid's fort?

About to embark on a DIY project to build my kids a fort. It will be a deck using 4x4's for legs, holding up a box of 2x8's. Three interior joists for a total of 7 2x8's will make up the frame for the ...
4
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2answers
736 views

Basement shower tiled floor not sealed by builder what now

So I have recently had a tenant move out and have found water damage around the basement shower floor. Looks like black mold so I started ripping it out. Now I am at the point where I have found ...
4
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1answer
5k views

Framing a 10x12 wood floor, using 2x6 PT lumber

I am building a foundation for a 10x12 metal/vinyl coated shed. The foundation is ready with four 12" diameter concrete pillars and another three pillars down the center. I used concrete strong tie ...
4
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2answers
124 views

Replacing 3/8 inch hardwood with 3/4 inch hardwood

We are working to replace our existing first floor which has a section of 3/8 hardwood by the front door. We want to use 3/4 inch hardwood. My question is the door frame comes right down to the wood ...
4
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2answers
517 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 ...
4
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2answers
387 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 ...
4
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1answer
11k views

How can I insulate a shed floor?

I am currently planning on insulating my shed this summer to allow year round usage. My first step is to insulate the whole shed. - The walls and Ceiling are straight forward, I will be ...
4
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1answer
145 views

Tile parquet is coming off the concrete surface

20 year old tile parquet that was polished and varnished in February has begun to rise off the concrete surface. The concrete is so dry that dust comes off it and the only source of humidity seems to ...
4
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2answers
10k views

What can I do about a house with internal concrete floor with no DPM?

My partner and I have just bought our first home.A 1950's bungalow which is need of refurbishment. So far it has thrown us a ton of surprises! The worst so far being the floor in one of the bedrooms. ...
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6answers
6k views

Why does my basement floor paint come off when it's wet?

I painted my basement floor and now just 3 weeks later my washer leaks and the paint is peeling off. I also put some water down on a spot and when I wiped it up you can scratch the paint off. It is ...
4
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1answer
29k 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 ...