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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102 views

How can I prevent post support brackets from creaking under foot traffic?

I (well, a contractor) added a new addition to my house, and the floor creaks when I walk on it. I crawled under the addition and identified the problem. On each footing, there is a steel bracket ...
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1answer
1k views

Sealing plywood edge and faces (Shed Floor)

I am laying a plywood sheet floor in my shed. I have plywood that is certified for humid conditions rather than wet and the sticker on it also says that the edges and faces should be sealed. It is not ...
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1answer
151 views

Oscillating or Drum Floor Sander

I'm refinishing the floors in a 4 bedroom house, built circa 2003. The house is roughly 1800 sqft total. The 4 bedrooms have pine floors, while the living room and the hallway are some sort of ...
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1answer
4k views

How do I seal the cracks between my asphalt driveway and my garage concrete slab?

I am not sure if this is an aesthetic problem or not. I suspect that if I do not fix the damage properly the water will continue to infiltrate the cracks and it will create larger problems in the ...
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2answers
829 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.
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1answer
306 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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1answer
2k 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 ...
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1answer
249 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
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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 ...
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2answers
23k 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 ...
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2answers
5k 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 I'...
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1answer
2k 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 ...
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2answers
132 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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3answers
4k 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) ...
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3answers
635 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
9k 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?
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428 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 ...
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1answer
88 views

Is this a reasonable way to create a crawlspace over a structural floor?

So, part of my thinking on "how to build a house" includes the use of a structural floor (slab) with a crawlspace framed atop it to provide space for, and access to, service runs. (Air handling ...
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1answer
83 views

Term for hinge that allows trapdoor to rise and move aside while remaining near-level

What terms describe / can be used to locate a hinge that allows a trapdoor to rise and move aside while remaining near-level? I have a project where a cantilevered* shelf of 3/4 inch plywood will need ...
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3answers
242 views

Leveling options for an uneven concrete floor in basement?

I live in an old house (somewhere between 1870 and 1920) with a retrofit basement. I also have a high water table, so during the spring rains, we get a trickle of water in the basement ( we've come ...
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1answer
44 views

Is it necessary to seal a newly patched basement floor in an old house?

We recently had the basement drain system replaced in our 1930s bungalow. This required removing sections of the concrete floor and filling the parts that were removed with new concrete when the job ...
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2answers
136 views

Should I be worried, or is this a cosmetic issue? floor in 1935 apt building

We live on the 4th floor of a pre-war, 1935 apartment building in NYC. On one outer wall, the oak floor is separated horizontally about 1/2" from the wall/baseboard. The floor is also little sunken ...
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1answer
42 views

Kitchen floor mold?

Is this mold under the tile? There was a leak. The floor is not weak when standing on it. Does the subfloor need to be removed? Or would corcobium spray do the job? And how to remove tile glue? Thanks!...
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1answer
2k views

What to do about gap in bottom of plasterboard wall when fitting floating floor (UK)

I have removed the skirting boards in my new build house, as I am going to fit engineered wood floor via the floating method. The issue I have is that after removing the skirting, I was presented ...
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1answer
496 views

What causes popping in new wood floor when furnace turns on?

I just had new solid wood floors installed and i hear popping where the floor meets my kitchen wall each time the furnace turns on (lasts for about 3 minutes). what causes the popping and how do I ...
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1answer
478 views

How can I extend a floating floor that was previously terminated at a wall?

We have had an extension on our house and have bought the same laminate flooring that already exists and flows through the hallway, dining room and living room. We now have a new, 5x6m kitchen/diner ...
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1answer
122 views

What to do about water under interlocking floor?

I started a load of laundry and apparently the drain tube had come out and it ran most of the water from the load onto the floor.. We have the interlocking floor tiles but there are gaps and in a ...
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1answer
85 views

Can mangled concrete floor be fixed?

On our property there is a fairly old garage that hasn't been tended to in some time. The floor is cracked and buckling. What are possible fixes for this? I've attached a photo. If you look ...
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1answer
539 views

hardwood floor hole susceptible to wood filler?

I have a hole in the hardwood floor (I think it's birch) and I'm thinking to fill it with wood filler. Is that a good idea? Here's the hole: It's probably 2/3 mm in diameter. Thanks!!
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1answer
6k views

How do I pour concrete over basement plumbing?

I’m pouring concrete over rough plumbing (as pictured). The plumber attached the shower pan to the drain. How can I get concrete under the shower pan? Radon is an issue in my area. I would like to ...
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4answers
2k views

setting up long runs of hardwood flooring: where to square from?

So I have a 3 bedroom house, middle room being the smallest. The master is the widest covering the width of the house, and the 3rd room at the back is long and 2/3 the width of the master. I am doing ...
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1answer
206 views

Will treating the edges of laminate parquet flooring with teak oil improve water resistance?

Recently, I bought laminate wood parquet flooring (8mm) with an HDF core for my apartment. I intend to use this throughout the entire apartment, excluding bathrooms but including kitchen. It is not ...
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1answer
176 views

Should I add a plywood subfloor below my damaged hardwood floors when I reinstall?

We have lifted our original floorboards in our property, we now plan on insulating between the joists and relaying the original boards. Unfortunately, the floorboards were old and brittle and ...
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1answer
310 views

How can I reduce the heat loss through floor?

I really don't know how is named this material in English but I have to prevent heat lost through it. I assume that it is named mosaic, but I might be very wrong. Ideally I'll like to have the floor ...
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1answer
752 views

Standard Grade and Curb Height for ADA Compliant Shower Floor

I am managing replacement of a bathtub with a walk in shower for my mother in her condo. The HOA is demanding a shower grade of 1 inch per foot which seems far to steep for a person with disabilities. ...
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2answers
1k views

Fixing a creaking NEW chipboard floor

I have a newly created floor (for a loft conversion) that is chipboard over wooden joists with noggins. At present there is no ceiling below it. Some of the joists have been doubled up due to the ...
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2answers
13k views

Soaking tub on the second floor: safe?

I am considering getting a soaking tub (pdf here) for my second floor master bathroom. However, I am unsure of how much weight the floor and walls below can support. The house itself is wood frame ...
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1answer
136 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 ...
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1answer
560 views

How can I remove 6-8 inches of concrete from a wooden floor?

I have inherited a 143 year old building. Somewhere in the past someone poured 6 to 8 inches of concrete over top the wood bathroom floor. I really want the weight out of the building. Any ideas on ...
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1answer
88 views

Protecting a wood bathroom floor

We recently had our house renovated and two of the bathrooms now have bare wooden floors. At some point I'll get round to putting down tiles or vinyl but for the time being what should I do to protect ...
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2answers
2k views

How can I level and finish a slanted deck that was enclosed?

Hello everyone I am new to this so I apologize if I seem a little slow mentally. I have a 104 yr old home that at one point had a deck that was completely enclosed. my issue is that the floor was ...
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1answer
291 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 ...
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1answer
577 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 at-...
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1answer
416 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 ...
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1answer
237 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 ...
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2answers
1k 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 ...
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1answer
233 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) ...
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2answers
205 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 ...
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1answer
2k 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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1answer
3k 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 ...

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