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.

learn more… | top users | synonyms

2
votes
2answers
548 views

What kind of screws are used for plywood subflooring?

I have removed the old bathroom lino and cleaned the parts that adhered to the floor. I want to screw down the existing plywood subfloor because the nails are old (45yrs) and sparse. What kind of ...
2
votes
1answer
49 views

Is there a better method for fixing UPVC floor trim to skirting, other than the adhesive tape provided?

Can anyone recommend a better method of fixing UPVC (e.g. Homelux) floor trims to skirting other than the adhesive tape provided? Can you mechanically fix them or is it just down to adhesives?
2
votes
1answer
894 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
votes
1answer
529 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
votes
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 ...
1
vote
2answers
319 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 ...
1
vote
2answers
3k 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 ...
1
vote
3answers
141 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?
1
vote
1answer
47 views

What should I do if a new cabinet is smaller than the old one?

I want to change my bathroom cabinets, but need ideas for floor. If I leave the same tile and the new cabinet footprint doesn't match the old, then there will be a portion of the floor exposed with no ...
1
vote
1answer
502 views

House slightly uneven floors almost everywhere

I recently purchased a 2050 sq ft. house 1 story, built in 2000, in North Dallas. We had a general inspection done on it, and the disclosure didn't mention any foundation issues, also all the doors ...
1
vote
1answer
73 views

What should I do with an unfinished parquet floor during a two-year rental?

I'm renting an apartment and I've just moved in. The apartment's floor is a wooden parquet floor and it appears to have been polished/sanded but it doesn't seem to have any sort of finish on it, so I ...
1
vote
1answer
70 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 ...
1
vote
2answers
3k 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 ...
1
vote
1answer
649 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 ...
1
vote
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 ...
1
vote
2answers
80 views

Installing baseboards

I'm putting in baseboards in my kid's bedroom and have only been able to find the profile I want in MDF. I would prefer wood as I understand it is more durable. I've gotten conflicting information re ...
1
vote
4answers
877 views

Hardie Board Subfloor—Thinset or No?

I'm remodeling the bathroom in my house that was built in the 1930s. I stripped out the old flooring down to the 1x8 wood planks (about 1/4" between each). I have 1/4" Hardie Board to put down in ...
1
vote
1answer
105 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 ...
1
vote
2answers
1k 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 ...
1
vote
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?
1
vote
3answers
53 views

Refinishing wood floor [duplicate]

We had our floors refinished and there are still separations between the boards. The company claims that it's due to the original installation of the floor and are not fixing it any further. Is it ...
1
vote
2answers
45 views

Hardwood floor slat is split/sagging

I recently bought an older home (1895) and have all hardwood floors. In the second floor I have a floorboard that is split and sags as you walk on it. How can this be fixed? Reinforced?
1
vote
1answer
66 views

What is the best way to fix this garage floor?

I need an educated opinion about how to fix the garage floor shown below. I need the surface to be level and even. As you can see I have two items, a table saw and and work bench that have adjustable ...
1
vote
1answer
81 views

How do I lay joists over a complex-sloped basement floor

I am helping a friend install a bathroom in his basement. The basement floor is partially rock which has been covered in plastic vapour barrier and then covered in a thin layer of concrete. (The ...
1
vote
3answers
165 views

How should I finish a basement with a pitched floor?

I am building a room in the basement where the slab has a pitch. I have already installed had a foam and magnesium board subfloor and my intention is to have a carpet installed on top of that. The ...
1
vote
4answers
362 views

Is baseboard important? (and 3 choices for trim on wall-to-floor transition)

I'm pulling out wall-to-wall carpet and installing solid hardwood floor. I am also removing the old baseboard and repairing the bottom of the wall with drywall compound to take out any weird ridges ...
1
vote
1answer
223 views

How should I orient the laminate flooring in this room?

I'm planning to install new laminate flooring in a bedroom that has two closets, and I just want to make sure I'm orienting it correctly. From what I've read, there are two rules for this: Along the ...
1
vote
1answer
95 views

How should I fill gaps between floorboards?

We have a Girl Scout camp and I'm the new property manager. We have cabins that are on stilt-like legs, approximately 20 years old. The flooring in these cabins has large gaps in between each piece of ...
1
vote
1answer
337 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
vote
1answer
136 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 ...
1
vote
1answer
2k 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 ...
1
vote
3answers
466 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 ...
1
vote
2answers
4k 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, ...
1
vote
1answer
275 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 ...
1
vote
2answers
288 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 ...
1
vote
1answer
131 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 ...
1
vote
1answer
445 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 ...
1
vote
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) ...
1
vote
1answer
273 views

Water damage in the kitchen

Today, we went out of the house for about an hour and when we came back the whole kitchen was flooded. Turned out the cold water soft connection for the kitchen sink had somehow disconnected (?). We ...
1
vote
1answer
52 views

is it OK to lay an engineered wood floor that is 27' long without putting a T-joint in the middle to avoid buckling?

I am installing an engineered wood floor (bamboo). My LR/DR is 27' long. The installer said I ned to put in a T-joint transition between the LR and DR, at the 18' mark, to avoid buckling. I am ...
1
vote
1answer
38 views

Using this aluminum L shape for stairs

I m doing a laminate floor(first time) from the room onto staircase. Now I m thinking about the transition from bedroom level to first stair and how much am I going to go with laminate. I can get a ...
1
vote
0answers
57 views

How should I deal with old black mastic before installing floor tiles?

I will be removing wood floor tiles that wee installed over old VCT tile which have black mastic on them. I can remove the wood and VCT with no issues, but I do not want to have to remove the old ...
1
vote
0answers
41 views

Where should I put the transitioning from tile to laminate with open floor plan?

I have an open floor plan in my house. The house is about 25 years old and the same white glossy tile was used in the living room, dining room and large kitchen. The tile looks decent in the living ...
1
vote
0answers
124 views

How to repair straight cut floor joist?

What's the best way to repair a cut floor joist? It looks like when removing floor boards for remodel, someone has cut about half way through the top of joist with saw straight cut. No notching. I'm ...
1
vote
0answers
45 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 ...
1
vote
1answer
215 views

Waterproofing 1st floor bathroom with original wooden floor boards in a Victorian house

I want to convert a 1st floor room into a bathroom, retaining the original wooden floorboards. There will be no shower, just a bath in the room. What needs to be taken into consideration with regards ...
1
vote
3answers
76 views

Finishing basement… level floors with SLC or install stud wall first?

Basement floor isn't too far off... wondering if I should get the stud wall done first or level the floor first....
1
vote
0answers
82 views

What can I do to fix water coming up from floor drain?

This vertical pipe is connected to the kitchen sink above and the utility tub in the basement. When the utility tub is used, the drain in the floor is backing up. If the sink is run upstairs it ...
1
vote
2answers
133 views

Do I need an expansion gap around concrete laid inside a building

We are laying a concrete floor inside a room in an old stone building. Do we need to leave an expansion gap around the edge? The room is open at the front so we are not insulating or anything.
1
vote
1answer
328 views

How to get threshold screws out?

Trying to replace an external door threshold. I have tried removing the screws with a screw gun with no luck. I have tried using an impact driver and hammer with no luck. The heads of the screws are ...