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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161 views

Floor heat cables under linoleum flooring?

everyone. Is it possible to lay heat cables on a bathroom floor before I lay down linoleum. We would like to help create some warmth in the winter. Given our current situation I don't think it's ...
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2answers
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Water under shower floor caulk

Shower walls and floor are ceramic tile and caulked around bottom. That caulk keeps getting moldy fairly fast, so I removed caulk (this is second time in a few years) and was going to replace. I ...
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1answer
355 views

How do I patch a subfloor over a return duct cavity

I need to patch these holes in the subfloor where the vents are. These holes are from a return vent that is being moved, the joist cavity below these holes is a return duct. I'm assuming using ...
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1answer
1k views

Removing white layer which appears on floor after spilling water

I'm pretty careless and sometimes spill a bit of water on our floor. When I do, some strange white layer appears on the floor within a minute. I took some photos to demo. Usually it gets much much ...
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2answers
70 views

Approaches to level a concrete floor with shallow pipes

I have a situation very similar to How to level a section of raised concrete floor?. Except, in my case the obvious solution of grinding the high point is not possible. In my hallway I have a raised ...
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1answer
52 views

Replacing floor boards and joists

I am replacing water damaged floor boards in my bathroom. They were previously tiled and I will be tiling them again. It's an apartment and below the floor is concrete, with joists between the ...
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1answer
54 views

How can I remove paint splatters from sealed decorative concrete deck?

I have a custom concrete pation & pool deck that is textured / painted to look like wood. It is also sealed. Recently I had the coping on my pool fixed and the guy did a great job but left quite a ...
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1answer
175 views

Is sand mix concrete appropriate for a shower floor?

I am looking to have the floor in the shower fall in a single-direction towards to a linear drain, I'm planning to have a fall from 50mm (finished floor level) to 35mm (drain height) over 1400mm, ...
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2answers
77 views

How can I seal a two inch gap in the floor along a wall?

I have almost a 2 inch gap between my wooden floor and wall in the apartment I am renting. I think the dust down there is causing me allergies and I’m worried about the cold AC air escaping down there....
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1920’s 2 story brick home sagging ceilings down the middle

I am not sure if I should sister joists for both the 1st floor ceiling and then the second story floor or can I jack up just the 1st floor ceiling and take care of it that way. Its a hip roof with no ...
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2answers
35 views

slab heat pipes and radon reduction

My house has slab heat and the pipes come out of the dirt and go to the heating unit. This is located in my basement and I'm wondering how to seal it to help reduce radon entering the house.
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LVL Span Ratings and Beam Placement

I work with LVL beams frequently and see a lot of them placed under I-Joists to carry load of the floor. This is usually no big deal in 9' deep basements but in 8' basements an 11-7/8" triple LVL beam ...
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1answer
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Subfloor tolerance for engineered hardwood

I am installing (floating) 3/8" engineered hardwood with 1/8" QuietWalk underlayment on a cement slab. I have used a grinder and leveling compound to remove the large valleys and hills. Now I have ...
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1answer
41 views

Spider-like / roots? mold?

We recently discovered our dishwasher was leaking under our flooring into the subfloor (formerly the floor - oak before the previous owner added pergo). We’re in the process of cleaning it up and see ...
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1answer
33 views

Proper subfloor for hardwood in a renovation

I'm doing some work on the 2nd floor of a 1955 cape. The subfloor is 3/4" tongue and groove planks and there are 3/4" (maybe 5/8") fir plywood sheets installed over that. The sheets are... odd... ...
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1answer
28 views

Peel & stick tiles for temporary floor covering over chip board?

We recently had a toilet tank crack. I caught it within two hours. stripped the carpet and foam underlay from the affected hallway, vacuumed up the water, and had a fan on the chip board all within ...
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2answers
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Reinforcing concrete parapet?

One small section of our roof's parapet looks like this. We will be installing one 3/8" x 3" havy-duty concrete screw anchor in that area. The ideal solution is to remove and replace with new ...
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1answer
61 views

spa weight of 4,250 lbs

I have a pre-existing patio and would like to add a spa tub which weighs 4,250 lbs filled with water. Unknow is, re-enforced with re-bar? the exposed one side appears to be at least 18 inches thick. ...
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2answers
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Garage floor damp

Been reading on line for several hours now. I have dampness on my garage floor, note: it's about 8yrs old. If I put a box any where on the garage floor for several hours, there will be a damp foot ...
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1answer
2k views

Orange material in grout lines - need help to identify

Having recently moved into a new (resale) house, I looked closely at the grout lines on one of the tiled shower floors and noticed many small gaps in the grout lines with an unidentified orange ...
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1answer
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Laminate Flooring

We recently had to replace several planks. We used what we had left over from the initial installation. Those boards are dull and I'm unable to get it to the same finish as the original. Any ideas ...
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1answer
71 views

What causes and how to fix lifting floorboard?

It doesn't seem to want to lift up. I assume it is some sort of tongue and groove board because there are no nails or screws anywhere. When I press down on the lifted part with a lot of force it ...
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1answer
158 views

Is joist blocking safe on these old warped joists?

I purchased a house built in 1960 and like other people have mentioned the terrible bounce, I got the same exact situation. I'm thinking of installing blocking to strengthen the floor. The 7 joists ...
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1answer
42 views

Heated flooring under subfloor

I'm trying to make the best of a bad situation here. New (old) house + slow drain + airhead teenage daughter = flooded 2nd floor bathroom. It flooded so bad that the ceiling in my entryway ...
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6answers
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How to laser-level close to a surface

Many self-leveling lasers, including my Bosch GCL 2-160, have a limitation when used to level a ceiling or a floor: the horizontal laser beam often cannot get within several inches of the ceiling or ...
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1answer
69 views

How to close this wall

My house has a small "porch" near the main door. In many years I've been here, I never once used this area that is on the North side of the house as a porch. It tends to collect junk that I need to ...
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2answers
44 views

Are there any special tools, materials or techniques required for building a staircase door?

I have recently moved to a house that has a converted attic. It isn't a huge space but would make a reasonable den or man-cave were it not for the fact that the staircase cuts the room almost in half ...
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0answers
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Uneven floors from settling rim joist

We're trying to fix the uneven floors in our 850 sqft, 80 year-old house in San Jose. Our contractor opened up the floors and the problem appears to be that the floor joists rest on a skid, while the ...
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2answers
50 views

Steps to renovate uneven oak tiled Parquetry on cement?

I have Romanoff oak parquetry on the floors, new one shown here with 160mm tiles. The floor is uneven. The old parquetry in the pictures has become a bit dark that I want to polish besides filling the ...
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1answer
146 views

How to even floor varnish without sanding the whole floor

We rent a flat with a rustic Victorian look. They've removed the carpets and varnished the wooden planks under them. Looks very rough but also nice. The problem was that they also varnished over some ...
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4answers
1k 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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2answers
189 views

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

Can anyone recommend a better method of affixing UPVC (e.g. Homelux) floor trims to skirting other than the adhesive tape provided? Can you mechanically affix them or is it just down to adhesives?
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4answers
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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 ...
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3answers
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Concrete or mud pad below two layers of tile in bathroom. Not sure what it is and whether to demo it?

I recently started renovating one of our bathrooms. After removing a few tiles there was a second layer of tile beneath. Below the second set was a concrete/mortar base that is ~1.5 inches thick and ...
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1answer
432 views

Unidentified pipe and smelly water trickling under slab into basement floor drain

Our house is in Toronto, Canada and was built in the late 1960's. We have lived here 5 years and currently rent out the basement suite. A few days ago, our tenants complained of a sewer smell ...
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4answers
233 views

How to remove stains from tile?

I have a very weird stain on the bathroom floor of an apartment I just moved into. Is there an easy way to remove this stain? Also, what is the material of this tile? Is it like a concrete tile? Or ...
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2answers
266 views

Basement floor drain back up, 1/2" snake failed, what next?

The basement floor drain is having backup after the wash cycle from the washer, it doesn't backup from other water usage. I had a plumber came in to power snake with 1/2" tip (and few other tips) ...
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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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0answers
40 views

Repairing cut wooden floorboards on either side of the main joists

How do I repair cut wooden floorboards that have been cut on either side of the main joists, as now the floor is squeaking and bouncing all of the time? I have tried attaching baton underneath with no ...
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0answers
28 views

Domed concrete floor (garage) needs leveling

I am about to replace a 14ft wide garage door. The concrete floor is domed in the centre of the doors width. The mid section of floor is roughly level for about 6 feet wide but falls away each side ...
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4answers
3k views

How can I repair this small hole in my basement floor?

Last summer I noticed water coming up from my basement, always in the same spot. The rest of the basement is bone dry and we have french drains so I was baffled. This winter, I tore up the tile that ...
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1answer
35 views

Q: What is the safest way to clean soiled concrete for tiling in a small kitchen?

I'm planning on tiling my kitchen floor which is bare concrete. However, I did a water test on the concrete and it's soiled to the point that water beads up on the surface. The floor most likely needs ...
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0answers
110 views

?? black tubes in basement floor?

My house in Canada is 14 years old . From original construction, rising up out of the concrete basement floor are 18" black tubes about 3/4 inch O.D. in three different locations . What are they for ?...
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3answers
376 views

Small geyser coming out of the basement floor

My house is 40 years old. I have had basement flooding issues for years. With heavy rain, water comes out of my floors. I have a sump pump that takes care of it. Despite knowing better, Ive been able ...
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5answers
29k views

What is the easiest way to stop a door from catching on the floor?

When I open and close my bathroom door, it catches on the floor. This makes it hard to open and close it, and also makes a really annoying sound. What is the easiest way to stop the door from ...
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0answers
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How to install second subfloor?

I'm putting in 12mm floating laminate with a 4mm felt underlayment in my living room and I noticed some bowing in the current subfloor to the point where I can see it while standing up. The high ...
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1answer
80 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 ...
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1answer
32 views

What STAINABLE wood fill is best to use on a plywood floor? [closed]

I am doing a quick fix on an existing plywood, unfinished floor. I need to fill the gaps between boards before staining, then applying polyurethane. I have plenty of Minwax Stainable Wood Filler to ...
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1answer
141 views

Leveling the sagging side of the home

I am buying a home and one part of the home is actually visibly sagging. While looking at the crawlspace, I've noticed that some work was done to support the home. It seems like there is no new ...
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2answers
101 views

New construction subfloor unlevel

So noticed my floor is unlevel in a new construction house. It is only sinking at the 2x4. Is in lake county Indiana. I look in the basement and see at the subfloor seam it did not hit the joist so ...