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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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Bookshelves and floor loading - is this safe?

I'm thinking about making / having made some bookshelves to replace some flat-pack trash "book" shelves that can't really hold books. A lot of my books are on the larger and heavier side. ...
Matthew's user avatar
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Blotchy stain job

my boyfriend and I just bought our first home and have been finishing the floors for 2 days now. After sanding, adding wood filler in gaps, and sanding again (box sander 36 grit + edger and hand ...
user188309's user avatar
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Can self-leveling concrete go over a rough 1 inch mud-set mortar tile base?

Single story Florida home, concrete slab. Half the kitchen floor was linoleum, other half was an uneven spanish tile recessed into slab to be even with the linoleum side. We want to install new ...
Bluepeter's user avatar
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Support post in basement for sagging main level floor

The floor on my main level is sagging and I want to add a post in the basement to correct. The main level floor beam with the sag (shown in red) consists of a 4x12 sistered to a 2x12 and is currently ...
Bennett's user avatar
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Adding joists to second floor above garage [closed]

My bonus room was made above the garage. The garage ceiling is drywalled, by not really finished. Would it be recommended to add more joists before putting a squat rack in the bonus room? Generally ...
louissanchez84's user avatar
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Adding vapor barrier for basement raised floor

I'm going to build a raised wooden floor on my concrete basement floor. I will use 2x4 to make 3.5" frame and cover with 1/2" plywood. My question is, should the visqueen be applied to the ...
Bob D's user avatar
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Stain not drying on hardwoods

We’re staining our sanded hardwood floors with a Minwax oil based stain. We were staining our floors without heat in the house, while it was cooler and damp outside. It’s been almost 24 hours with our ...
Marcelyn's user avatar
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Can floor joists be fastened directly to beams secured on sonotube piers with U-brackets [duplicate]

Let's say we have as the "foundation" for an oblong shed two rows of sonotube piers with U-brackets, and two wooden beams 6"x6" by 20' long bolted into the brackets, one beam on ...
mr blint's user avatar
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How to create a sloped floor for drainage on existing flat level floor joists?

I'm building a traditional outdoor wood-fired sauna cabin. The traditional Finnish ways to build drainage is either gaps in the wood floor to allow direct drainage to the ground, or sloped floors into ...
pkamb's user avatar
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How to rebuild door threshold when using self leveler to outside door

I am pouring self leveler before putting in new floors. I have to raise the floor 1 inch. How should I rebuild the threshold of the outside door? I thought to just use self leveler all the way to the ...
Croeber's user avatar
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Carpet Replacement Questions

We are having some carpet replaced and have questions: 1. What is this block in the closet? The bedroom where this is being replaced has some weird issues. One is a piece of wooden blocking in the ...
olioxenfre's user avatar
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Resealing old wood floors without sanding as a temporary fix?

I recently bought a 1917 house with all original hardwood floors. I refinished the maple floors upstairs and they look great. Unfortunately the oak floors downstairs are utterly unsalvageable. The ...
TuxedoCats's user avatar
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Repairing Shower Floor

I have limited experience with shower repairs. Recently, I've noticed that the grout/sealant between the tiles on my shower floor has begun to peel off, and I can see water seeping between the tiles. ...
Legyptiano's user avatar
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2 answers
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Help! I need to fix leaky cracks in basement floor

I live in 130-year-old house with a stone walled basement. The basement walls don't currently leak, but I have some floor cracks that have started to leak a lot when there's a heavy rain. Some of the ...
Greg's user avatar
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2 votes
2 answers
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How to know if timbers supporting floor need work?

Pictured is the ceiling beneath our first floor (second floor US). It's an old stone farmhouse, and there's no telling how long those supporting beams have been there (it could be 150 years or more). ...
SingularityFuture's user avatar
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Fill up gap around the new OSB subfloor patch

I need to patch the subfloor after moving the plumbing from under the floor to the wall, in the bathroom. To support the new OSB patch, I've added floating 2x4s and now plan to put the board down with ...
bsong's user avatar
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Floating floors have soft spots and bubbling - Pulte

https://imgur.com/a/HHlTYmA I got a new build and it has been a headache. The floors had soft spots and bubbles and I finally got the builders to replace the flooring but it's even worst than before. ...
user186213's user avatar
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How can I prevent basement slab moisture from causing mold in flooring?

I live in a residential community built in the late 80s. I believe no vapor barrier was put under the concrete because when we switched from carpet to wood floors mold starting coming through after a ...
Julie's user avatar
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How to fix a bump over central main beam and level floor?

I reside in a 1950s-era bungalow. In its basement lies a wood beam, connecting and upholding the joists (2x10) through a 2x4 ledger that's been nailed in place. The structural walls on the main floor ...
Laurent Nadeau's user avatar
1 vote
2 answers
106 views

Advice on replacing loud and dangerous metal pieces on balcony

I need some advice on how to remove these metal pieces and what I should replace them with. The problem with the metal is it's very loud when I step on it and are so thick they're a tripping hazard. ...
Riley's user avatar
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3 votes
1 answer
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Who do I call for mold and rotting wood floor problem from a bad sealing at the balcony?

We have been moved into this house for three years (2017 build) and we slowly had some blackish bownish mold grow on side of the carpet and wall where the juliet balcony is. Because the issue didn’t ...
ErinY's user avatar
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5 votes
2 answers
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Would using glue between the joists and sheathing increase rigidity of the floor?

Consider a standalone, 4 post, 7' high deck, with joists 12" on center, with OSB subfloor sheathing fastened with screws. Would using glue between the joists and sheathing increase rigidity of ...
user2647513's user avatar
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What should I do with corroded heating pipes that were previously under concrete and which I'm about to re-concrete and board over?

I have two copper pipes that were lagged in fiberglass wool and concreted over and which I'm about to re-lag with a plastic pipe then re-concrete and lay laminate flooring on top. The pipes themselves ...
Phil's user avatar
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How can I fix a hole (acid burn) in Vinyl floor (Bathroom) [duplicate]

I'm seeking advice on repairing a small, circular hole in a semi-soft vinyl floor located in my bathroom. While the damage is noticeable, it's relatively shallow, measuring less than 1mm deep. I'm ...
nirhere's user avatar
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Leveling second story bedroom floor

I've owned this house for 12 years and it's had this problem since we bought it. There had been some foundation settling in one corner, that has since been stabilized with poly foam injection, but ...
TJF's user avatar
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1 answer
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Why is my floor heat furnace cycling off after a short time? [closed]

The setup: The system is a 2-zone system. A. Zone 1 heats the garage floor B. Zone 2 heats the main living quarters upstairs The water is heated by a Takagi Tk-2 tankless water heater. The controller ...
TheThump's user avatar
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1 answer
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How can I level an existing vinyl sunroom?

A vinyl sunroom was built onto my home over an existing backyard cement slab. The slab had a slope, and so the sunroom has a slope to it. I am trying to figure out a way to level it out now. Furniture ...
HAL9000's user avatar
3 votes
1 answer
376 views

What are the hard bumps/lumps on my shower floor?

I noticed about 5 or 6 hard bumps/lumps in the shower floor today while cleaning. The last time I got down on the floor and deep cleaned was about 3 months ago and did not notice them at the time. We ...
Densho's user avatar
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0 votes
1 answer
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Can a 1950s floor furnace be removed from below (crawl space)? [closed]

Recently demo-ed hallway desk revealed abandoned 1950s floor heater. Living room side had been patched over, hallway side has floor heater exposed. Is it possible to remove the furnace from below in ...
homeownerwithhubris's user avatar
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1 answer
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Is there a drawback to underlayment between multiple layers of subfloor?

My upstairs sub flooring is 5/8" plywood, which is screwed to the joists. I want to add an additional 3/8" layer of plywood, followed by floating 1/2" bamboo flooring. I plan on using a ...
Troy Blackburn's user avatar
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1 answer
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Floor Beam Supports

Home inspector noticed that this floor beam doesn’t have proper column supports. This is part of an addition and it looks like the builder put scrap wood in as makeshift columns. Is this as simple as ...
Rob's user avatar
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3 votes
1 answer
653 views

to address a hump in hardwood floor or not [closed]

Our house is 100 years old and the 2nd floor was carpeted. The carpet was worn out and I pulled it up to find hardwood floors (I did the hall and main bedroom so far). Realizing I have to refinish ...
Jeff's user avatar
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6 votes
4 answers
2k views

Can anyone tell if this floor joist damage was from termites or wood rot?

Just discovered this damage in the crawlspace under the sagging floor by the front door. Had new insulation, vapor barrier and dehumidifier added about a year ago.
Karen Parkhurst's user avatar
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1 answer
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Does tar need to be removed from concrete before an overlay is poured?

We're doing a 1 3/4” concrete leveling layer over an existing slab as prep for LVP flooring. Does the tar need to be removed completely for new concrete to bond? And do I need to seal existing cracks ...
Ann's user avatar
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0 votes
2 answers
58 views

Could a new roof type exacerbate basement floor cracking?

I have been concerned on cracks in my concrete basement floor. Home is 15 years old and always had one crack in the floor leading from the walkout basement door to about the center of the basement. ...
Anne Myerscough8's user avatar
1 vote
2 answers
79 views

Will floor bend/sag over time under the weight of my desk?

For context, I'm a musician. I have a large workstation desk that, when outfitted with all my equipment, clocks in at 219 pounds. (I could probably get that down to maybe 205). The legs/feet are oddly ...
Caleb's user avatar
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0 answers
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Wondering about the need for a vapor barrier

My home is on a slab. There is a vapor barrier under the concrete. One bedroom is about 18 inches lower than the remainder of the rooms (the original owner/builder designed it that way). I am ...
Steve Brown's user avatar
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0 answers
74 views

How to repair grout detaching from bathroom floor/shower base junction

I recently bought a condo and noticed that the grout between the bathroom floor and the shower is detaching from the tiles and shower base (see photos). I'm wondering what is the best way to repair ...
AThierry's user avatar
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0 answers
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River rock shower floor grout cracking

Have river rock shower floor in the master bath. About a year ago noticed some cracks in the grout around the rocks. I contacted the home manufacturer and they advised to regrout over the existing ...
Dean Plute's user avatar
0 votes
1 answer
61 views

Adding support for subfloor

Im replacing the subfloor in a 2nd floor bathroom of a 1920s house. It was level and in decent shape, but covered with adhesive and backer board for tile so replacing it seemed the easier option. ...
BakerAugust's user avatar
0 votes
2 answers
103 views

Possible to regrout floor to change its color?

The grout is not the color I want. It turned midnight blue and I want charcoal grey or black. I was at work when the workers grouted the floor. Can we grout with darker color over this blue and it ...
Jackie's user avatar
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0 votes
1 answer
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Need help - temporary 'reinforcement' for bending wood floorboard

I am going to have someone come out to check out this floorboard (and the rest of the floors), but in the meantime I'm super anxious I might step on this board and break it. The issue: I live in a ...
hopingnforadvice22222's user avatar
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0 answers
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Need recommendations for how to approach fireplace marble floor slab replacement

I have a green marble slab in the floor in front of my fireplace (appx. 60"x24") that I've hated since I moved into my condo. It's really the color - I dislike the green, and wish this were ...
user180171's user avatar
1 vote
0 answers
54 views

How to cover up exposed underfloor after removing interior closet walls?

Happy New Year, All! I'm close (I think) to wrapping up an attempt at a built-in closet, but am having trouble figuring out a way to cover up two floor positions that were exposed when I removed part ...
Justin's user avatar
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0 votes
0 answers
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Options for a rear outlet toilet

I recently purchased a converted loft and would like to renovate the bathroom. The layout of the bathroom is a simple rectangle with a sink, toilet and shower across one wall. Most of the bathroom ...
OscarCorx's user avatar
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0 answers
49 views

How to fix water damage on floor

how do I fix this space between wood and stone tile? Our fridge broke and water was on the floor overnight. This is how 5 months lost and the floor still looks funky. I have no idea if the rest dried ...
user179735's user avatar
0 votes
1 answer
51 views

Shrinking gaps in glued-down hardwood floor

So our birch floor has a lot of gaps near the kitchen sink. They are uneven in size, and it's as if the pieces have drifted toward sink. I've just spent some quality time prying crud out of the gaps, ...
Matthew Cargo's user avatar
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0 answers
16 views

Options to Repair Wooden Floors? [duplicate]

I rent an apartment and work from home. Unfortunately, I didn’t consider the damage the chair would cause to the floor until it was too late. Are there any options for repairing this myself? I’m ...
Daniel's user avatar
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1 vote
0 answers
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Sagging kitchen floor, no beams only joists, how to fix? Foundation issue?

I previously made a post here about a sagging floor (one corner of my kitchen floor is dipping, is lower than the rest of my floor). The home is over 100 years old, I got the house inspected they ...
AlexNeedsHelp's user avatar
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1 answer
64 views

My subfloor has been built with untreated 1x2s and plywood. Am I in trouble? [closed]

Last year a contractor installed about 800 square feet of sub flooring to even out the very uneven concrete floor. At the time I didn’t think of it, but the fellow used standard 1x2s and plywood. I’m ...
Litmus99's user avatar

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