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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2answers
177 views

How can I repair a big gash in my kitchen floor?

How can I repair this big gash in kitchen floor (I can see wood) I was cleaning my kitchen floor, and moved the fridge out of the way. Problem is we have our microwave on it with a short cord. ...
2
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2answers
215 views

How can I reduce squeaks in wood floors when no felt paper was installed between floor and plywood?

I've purchased a home where the previous owner installed 3/4" wide plank pine over a 5/8" plywood subfloor. The plywood is glued to a concrete slab but there is no felt paper between the 2 woods. ...
2
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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 ...
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2answers
96 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 ...
2
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1answer
22 views

Do I need to use a waterproof sealant in my entryway?

Do I need to use a waterproof sealant in my entryway, over the backerboard and under the porcelain tile or is the thinset adequate? Sub floor is above grade, 3/4" plywood. thanks!
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2answers
141 views

Why are my floor tiles cracked and how can I lay them again so they won't crack

When I moved into my house, the kitchen has large floor tiles on the floor. Quite a few of these tiles are cracked. I've been told that the reason they are cracked is because under the floor tiles is ...
2
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2answers
80 views

Recommended method to insulate a raised (joisted) floor in the UK?

We're just about to get a new wood-burning stove fitted with an external air feed and have a load of squeaky floorboards which need fixing in the same room, so we're planning on taking the floor up. ...
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2answers
325 views

Building on top of 3/4'' plywood subfloor

I want to build this: http://www.mrmoneymustache.com/2012/12/21/how-to-make-a-relatively-sweet-shower-cheap/ and I'm building in my basement bathroom: on top of the foundation I have 2x4 (horizontal) ...
2
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1answer
366 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 ...
2
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2answers
218 views

Is it code to have a concrete floor in a bedroom? [closed]

For some reason I recall that it is Ohio Building code that a bedroom must have a floor finish material other than subfloor. So if you are in a Slab on Grade (SOG) condo, does the code require you to ...
2
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1answer
73 views

Filling deep gaps at corners of maple flooring

I have fairly new natural maple 3/4" [about 4" wide] flooring installed. The installer was sloppy and where the flooring butted against doorways (no doors, just open frames), he should have side cut ...
2
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1answer
51 views

Should the cement floor adheres to the concrete slab?

If I want to use a cement floor (with broadcast color hardener) over a concrete slab (laid over compact soil), should it adheres to it, or be separated? The concrete slab is rough, the cement layer ...
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2answers
278 views

How can I make a wooden floor flat, without using self leveling product?

I am preparing to install laminate flooring in the hallway of our 30 yr. old house. The hall is just over 3 feet wide and 23 feet long. The support piers/beam run lengthwise in the center of the hall ...
2
votes
1answer
72 views

How to tell if carpet is destroyed after a flood?

The other day ago a water line going to an exterior faucet exploded in the wall and flooded my finished basement. The water level was around 1"-2" high and we imagine the water was running for ...
2
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1answer
137 views

How to level concrete floor that is chipped and has left over thinset

I removed some tile from a 10' by 15' section of my basement floor. As I was removing the tile, much of the concrete chipped away leaving low areas. Other areas have thin set remaining in the shape ...
2
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1answer
95 views

How to make an uneven, damaged 'rustic' tile floor even for tile & parquet laying

I want to lay a tile border & parquet centre in my kitchen. That requires an even floor, ideally level too. The existing floor is an uneven mix of badly damaged tiles, with some parts plain ...
2
votes
1answer
205 views

Floor plumbing pipe too far away from the wall for vanity

Floor plumbing pipe too far away from the wall for vanity. I do not want to cut a hole into the vanity shelves to accommodate this discrepancy because the shelves are already shallow with limited ...
2
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2answers
219 views

Floating commercial dance floor over concrete

I'm involved in the laying of a floating commercial dance floor over concrete. It needs to last 10-15 years. The plan is to glue a layer of pressure treated wood directly to the concrete. On top of ...
2
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2answers
694 views

How do I repair a marble floor corroded by acid?

I recently got some contractors over to repair a section of my house and they unknowingly spilt a small amount of acid on my marble floor. They did not attend to it immediately and the acid corroded ...
2
votes
1answer
444 views

How do I stop the rubber sweep on my front door from squeaking as it moves against the floor?

The main door into my house has rubber at the base of it and it has started to squeak against the wooden floor when opened. How do I fix this problem?
2
votes
1answer
87 views

How do I install a range anti-tip kit into hardwood floor on concrete?

I'm preparing to install an anti-tip kit for an electric range. It's a piece of shaped metal designed to be bolted to the floor with two screws or bolts. The floor is hardwood (probably engineered) ...
2
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2answers
117 views

How to fix pitched floors in a brick building

I'm looking at a property the was built in the lat 1800s. It's a 3 level brick building with two other building of similar stature on each side. I too a quick look at the second floor, and it pitches ...
2
votes
1answer
608 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 ...
2
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1answer
910 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 ...
2
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1answer
315 views

Where can you find out how repetitive the patterns of a particular laminate floor are?

We are interested in installing laminate floors from the Quick-Step brand. Of course, for a laminate floor to feel "natural", there needs to be enough "variation" between sheets/planks so that the ...
2
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3answers
332 views

How can I remove oil stains from a concrete floor?

I rented a home, and the garage floor is concrete. It looks like the previous owner had a small car that dripped more oil than it retained. It has been parked on multiple spots, so there are ...
2
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1answer
349 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 ...
2
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0answers
213 views

How do I remove mold and mildew from subfloor of a house with crawl space? [duplicate]

Possible Duplicate: Mold remediation in crawlspace House with crawl space has mold and mildew on the sub-floor. I've determined the cause is no vapor barrier and a leaky pipe and there is ...
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2answers
182 views

how do I level the floor in a sunk in living room

My home has a step down living room. It has carpet on it, but i want to make the floor level with the rest of the house it is about 2.5 inches step down. People keep tripping. I then either want to ...
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2answers
413 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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3answers
124 views

Can floor tiles be installed on walls?

I am building a home and would like to install floor tiles on wall also, please let me know if it possible to install floor tiles on walls?
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1answer
52 views

Preparation for laminate floor went south

So I've setup few laminate floors so far, and I'm no expert at this but this is what I like to do in my spare time. So I've got a condo in which there were carpets and I teared out those and all ...
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2answers
652 views

How can I correct a crowned floor joist?

In my son's bedroom there is a raised spot in the floor along one of the joists. I went into the crawlspace with a level and that joist is bowed up about 3/4" to 1" compared to the other joists on ...
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2answers
144 views

How do I tile over a leveled floor with a feathered edge?

I have a laundry room in a home I just bought which had some unseen water damage. They originally had the sticky vinyl tiles on there which I pulled up. The concrete underneath was pitted and uneven. ...
1
vote
1answer
549 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 ...
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4answers
1k 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 ...
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1answer
80 views

Do I have to replace backerboard before tiling a floor?

We recently pulled up the vinyl in our bathroom to discover that there is backerboard underneath. It is in good shape but has a thin layer of glue on parts. The surface is completely smooth. Can I ...
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2answers
670 views

What header joist sizes do I need for a loft bed?

I've decided to design and build a king-sized loft bed for our bedroom. Basically, I've got an 80" x 89" frame, 54" off the floor, covered with slats instead of plywood (see image, below). I'm sure ...
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3answers
237 views

bathroom size, will everything fit?

Does anyone know of a website where you can given the dimensions of your bathroom and see how they would arrange your tub, shower, vanities and toliet?
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3answers
50 views

How can I get 2X6X12's cut at a slight angle so I can build a level floor?

Here's my question - I am turning a friends small garage into a guest room and I need to place a wood subfloor on top of the cement floor. The room is 7.5' wide by 12' long and it slopes at a slight ...
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1answer
89 views

Shaving floor joist

I have a small rectangular home 33’ x 26’. It’s built on a walled foundation with 2 x 8 joists running the width of the home and a center I-beam support. At the back of the home they stopped the cross ...
1
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1answer
84 views

How would I go about leveling a sagging floor?

I had all my kitchen cabinets refaced last year. I than decided to replace the counters with granite. When the guy from the counter company came out he did some leveling test. I am putting counters ...
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1answer
552 views

Can I put concrete over PVC pipe?

I have my laundry room in the backyard and there is an area that had a thin piece of concrete and below it there is soil. Beneath the soil there lies the drainage PVC 1 ½” pipe, gas line (not ...
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3answers
309 views

hydronic floor heating system efficiency - using concrete as thermal energy store or not?

I am renovating my house and would like some advice on floor heating for my living room. I have dug this room out to a depth of 97 cm to create a lower level. I have lined this box with 2.5 cm thick ...
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2answers
2k views

How should I paint my basement floor?

I have an 80 year old basement concrete floor that recent had asbestos tiles and mastic removed. It is in good shape, with a few hairline cracks. I am planning on painting it. The basement is dry, ...
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1answer
209 views

How do I remove a small amount of water based concrete sealer from a painted floor?

I was using a water based concrete sealer on my painted concrete floors. I did something wrong, and one tiny section didn't dry clear. My question is, what can I use to remove a small portion ...
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1answer
179 views

What thickness, size, and quality plywood is required for an aviary floor?

12'L x 5'D x8'H size aviary needs what thickness plywood to hold human weight. Aviary floor is slightly elevated from the ground. Also, please specify how many floor joists it needs to hold the weight ...
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1answer
124 views

Are there any quick setting floor leveling compounds?

The self levelling compound under the vinyl floor tiles in our bathroom has started to break up so the tiles are now coming up. We do not have another toilet so I need a solution that can be walked ...
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1answer
360 views

How can I stop cracking/squeaking sounds while leveling this floor?

I am reconditioning a wooden floor; I pulled up the carpet and am repairing, levelling and then painting the so-so boards I found. I already tried replacing the nails with screws but found that the ...
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1answer
1k views

How should I add flooring in my “crawl” space?

Our house has a basement where part of it is finished but one section is closed off by a door and just has a dirt floor. The space is about 25'x25' and about 12' tall (not really a "crawl" space) ...