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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4
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1answer
398 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 ...
2
votes
1answer
539 views

painting a cork floor (previously coated with polyurethane varnish)

Our cork kitchen floor has a white stain and coated with 3 coats of polyurethane varnish two years ago. But the varnish has begun to wear through and the cork colour is visible. We were never happy ...
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2answers
199 views

Preparing surface when tiling over existing tiles

I'm retiling our bathroom and intend to tile over the top of the existing floor tiles. The floor is in fair condition at the moment with no cracking except in one place which I did myself and will ...
1
vote
1answer
529 views

How level should a new floor be?

How out-of-level or out-of-plane does a floor need to be before it is noticeable? Many of the houses I've lived in have floors that are out-of-level, visible to the naked eye. At what point does that ...
11
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3answers
4k views

How do I meet the 7 feet high ceiling requirement after finishing the basement?

My basement ceiling joists are exactly 7 feet above the concrete slab. The requirement for finished living space is 7 ft from the finished floor to the finished ceiling. Since I'll loose a couple of ...
1
vote
4answers
960 views

What types of flooring can be used with electric radiant heat?

I am considering converting an old enclosed sleeping porch into a usable room year round (in Ohio). Currently the floor is a big slope to allow for drainage when it was still open, obviously I want ...
4
votes
2answers
10k 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. ...
0
votes
1answer
467 views

Alternatives to wood joists

I have a brick(3 wythe) building and starting to plan a kitchen remodel. The floor in the kitchen is pretty slanted and the wood joists don't look too good. So I will need some way to level the floor. ...
3
votes
4answers
2k views

How can I improve the cold floor in my ground-floor unit?

My home is a ground-floor unit in a condominium. The floor is really quite cold and I'd like to do something about that. I saw in another question the suggestion to use Platon. Would I be able to put ...
3
votes
2answers
8k 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 ...
8
votes
2answers
511 views

Is a sagging floor possibly detrimental?

I live in a house built in the early 1900's. The dining room, which is in the center of the house, sags enough to where you could set a marble in the middle and it will always roll to one side. The ...
2
votes
1answer
877 views

How do I pull up sheets of plywood from the floor?

I have ripped up the carpet in the master bedroom and found that between the sheets of plywood there is cold air blowing in because part of the floor is over the garage. I want to pull up the nailed ...
5
votes
3answers
13k views

How do I use 'surface shims' to level out a sloping floor?

Asked a question about leveling my floor here earlier this week, and one of the options suggested sounded appealing, but didn't contain enough detail for me (a not-too-handy, ...
5
votes
4answers
11k 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 ...
8
votes
1answer
28k views

How can I level a sloped floor?

I have a 10x13 first-floor room which used to be a porch but at some point was closed in by the previous owners, and sheet linoleum was glued down to the plywood subfloor. Unfortunately they didn't ...
2
votes
1answer
201 views

How do I fix an irregular hole in my heater closet?

The plumbers cut a roughly rectangular hole in the water heater/heater closet floor when fixing the drain pipe for the condensate line. The closet is located in the garage. There are two 2" PVC ...
6
votes
4answers
3k views

What are the pros and cons of various hardwood floor finishes?

Trying to decide how to stain/finish some new oak hardwood floors. What are the pros and cons of various options like stain+poly, tung oil, etc. I'm wondering about lifetime cost, durability, ability ...
5
votes
4answers
4k 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
votes
2answers
4k views

How do I level an unlevel floor?

The second floor of my house is not to level. The walls are, everything is straight but the floor has a slight pitch. I'm about to remove the current glued vinyl tiles and replace it with a regular ...
6
votes
2answers
1k views

How do I make a manhole?

I have a 100+ year old house with wooden floors. At the moment, access to the subfloor is difficult, involving a long 25 meter crawl under the deck. I'd like to install a manhole in the floor. Is ...
7
votes
2answers
19k views

How can I build a cheap, do-it-yourself dance floor?

I would like to make a cheap DIY dance floor and I attained a roll of 3.5 ft x 6 ft vinyl linoleum for free. Can I use this in making a dance floor? Has anyone built their own cheap DIY and what ...
2
votes
2answers
437 views

How can I drill through a Linoleum floor?

I would like a drill a hole through my dining room floor to run a wire. The floor is carpeted, so I pulled back the carpet in the corner to find an old linoleum floor. I attempted to drill a hole ...
14
votes
6answers
5k views

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?
7
votes
3answers
442 views

What is the recommended technique for refinishing hardwood floors

I have old hardwood floors in my home that I'd like to refinish myself. I'm ok with all sorts of manual labor, but I'd like to know the preferred method for refinishing them without damaging my walls ...
4
votes
1answer
314 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
votes
1answer
301 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 ...
10
votes
2answers
7k views

How do I do a minor grout repair properly?

I've got grout between some floor tiles that is cracking and coming out in small chips, over time. The tiles and remaining grout are otherwise in great shape. I suspect this is just a problem ...
2
votes
3answers
95 views

Timber Veneer Flooring?

We have existing polished timber floors, it is patchy (different parts of the house are floored with different kinds of timber) it also has a few gaps and holes. We are thinking of laying down some ...
6
votes
5answers
6k views

How can we fix bouncy floors?

Our floors are somewhat bouncy, especially in big rooms with long joists. I think that the main cause is that they used 2x8 joists on 15-20' spans. We are going to replace/install hardwood in ...
15
votes
2answers
16k views

How do I fix a squeaky floor below my carpet?

I have a squealy floor below my carpet on the 2nd floor of my house. It sounds like the subfloor under the carpet is moving up and down a little and makes this awful load squeak when I step down on ...
6
votes
3answers
12k views

What are these spongy/soft spots on my hardwood floor?

The house I recently bought has hardwood floors, but I've noticed that some spots are spongy when I walk over them. There is visible downward flex in certain spots to an observer of someone walking ...
9
votes
4answers
1k views

How can I remove a single cracked floor tile?

How can I remove a single damaged floor tile without damaging the surrounding tiles? Is there anything that will help the replacement tile from cracking in the same way?
6
votes
2answers
670 views

Can I sand bamboo floors?

I have prefinished bamboo floors in the kitchen and they are not in a good shape. I was wondering if i can sand them. Somebody told me that i can't send prefinished floors (oak or bamboo), somebody ...
5
votes
3answers
1k views

What can be done to fix a squeak in stairs?

This might be better suited as a community wiki, what do you think? My parents house has very squeaky stairs. The house is over 100 years old, so it's to be expected. What can be done to fix a squeak ...
7
votes
2answers
2k views

How can I stop new solid oak floor from squeaking?

really hope someone here can come up with an idea to get me out of this one: I recently laid a new floor in my dining room, it's solid oak and it actually looks quite good considering I put it down! ...
30
votes
6answers
35k views

Should I use a subfloor for a finished basement's floor?

We are refinishing our basement and have not yet decided what to do for the floors. Part of the basement will be tile, and we are all set. However, the rec room side is going to be carpet. The ...
5
votes
2answers
232 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 ...