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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402 views

Gaps in wood floor near heating register

I have a maple floor that is showing gaps near the heating register. Looks like the wood is drying out due to the heat and shrinking. Is there any way to reduce this? Some sort of thermal barrier ...
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280 views

Vomit etching on stone floor

My daughter was sick on the stone (I assume it's marble - that's what it looks like) floor. It was cleaned up right away, but now there is a visible (from the right angle) dull spot on the floor ...
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What code book do I refer to to find the proper repair for a broken wooden floor joist in Arkansas?

The sister joist was not installed properly and the floor is sagging; trying to convince boss it is truly an issue that simply "hitting the sister joist with a sledge hammer" won't fix..please send me ...
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1k views

Fix uneven tile

My first tile job has not gone according to plan. This was my previous post on preparing the underlayment for the small mosaic tile. I pulled up the OSB and replaced, re-secured the subfloor, ...
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2answers
112 views

How should I remove felt from old vinyl flooring before installing backerboard?

I have a vinyl floor (tested neg for asbestos) in a bathroom. I am remodeling, and plan to put down porcelain tiles over backerboard. I am able to scrap off the vinyl layer, but there is a paper ...
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1answer
149 views

Best way to clean tiles (shower)

What's the best way to clean tiles? Especially in the part between the tiles (which the glue I suppose)? Is there any good trick/recipe? Shower tiles in case it matters.
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327 views

How to level uneven screed?

In my < 10 m^2 basement I have a screed floor which either from the beginning or over the years (some decades) has the following deficits: uneven thickness (10 to 50 mm judjing from the sides of a ...
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2answers
54 views

Leveling techniqe for wooden floors

I have a hole in a wooden floor as shown on the picture below. There are different bumps on the underfloor beneath. There used to be and old furnace installed here before so it's possible that the ...
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1answer
688 views

click lock floor install with hot water baseboard heat

I am installing a floating bamboo floor on concrete,with appropriate underlayment.The house has hot water baseboard heat.There is a small baseboard molding under the heater now,should that be removed ...
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115 views

Hydronic Ceiling Radiant

I am looking to install radiant heating in my single-family house (300 sq. ft.), and I am primarily interested in hydronic radiant because my calculated heat loss is likely around 10kBTU/hr, which is ...
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1answer
2k views

Insulate Floor with No Crawlspace Access

As a corollary to my other question on insulating existing walls, I am also interested in insulating my floors. Right now, only about half of the 300 sq. ft. has its "final" flooring completed. We ...
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3answers
930 views

Crusty stuff coming up between basement floor planks

My son bought a 8-year old house, last August, that had some new "plastic" flooring put in the basement over concrete in preparation to putting it on the market by the previous owner. I'm guessing ...
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2answers
6k views

Sealing an OSB floor in a shed [closed]

We have two sheds with OSB flooring.. We have an ATV that we use for snow removal, and it is parked in the shed before & AFTER plowing snow. We are very concerned about "melting snow" ruining ...
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541 views

How to spread load of fish tank

I am adding a large fish tank (65 gallons) to my second floor and would like to make sure to distribute the load across as many joists as possible. Is my best way of doing that to build a long, short ...
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1answer
98 views

Brand new Grout repair dried darker than existing brand new grout

I have a tile floor that was installed 2 weeks ago. There are a few spots that we needed to repair the grout. I scraped out the grout About 1/2 way down or more and replaced it with the same exact ...
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2answers
753 views

Advice on cracks in wall and concrete garage floor [closed]

I'm considering buying a house which is about 5 years old. For the most part everything seems to be in good condition. The two exceptions seem to be the poured concrete garage floor, which has a few ...
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4answers
2k 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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2answers
123 views

Replacing 3/8 inch hardwood with 3/4 inch hardwood

We are working to replace our existing first floor which has a section of 3/8 hardwood by the front door. We want to use 3/4 inch hardwood. My question is the door frame comes right down to the wood ...
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3answers
157 views

Framing around depressed area of floor: a good plan?

I'm installing a grandfather clock in my house. Problem: my first floor ceiling is 88" high, and the clock is 94" high. I can't modify the clock, so I'll have to modify my house. The solution is ...
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1answer
363 views

Does my vanity's sink need to be offset from the bottom-exit drain pipe?

I am installing a new sink/vanity in a older house. The drain pipe for the sink is down through the floor (as is the water supply lines) and not in the wall. When I position the new vanity, do I need ...
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1answer
88 views

wooden floor chipped from PC Case

Do I just leave it? PC case had rubber legs but it was stuck to the floor and when I tried to flip it, part of the wooden floor came off with it.
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1answer
4k views

Will layered roofing paper help level a floor?

We plan to have a contractor install new hardwood over existing heart pine that is not refinishable. An area of one room is unlevel in this 100+ year-old house. At least one flooring contractor ...
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5answers
936 views

I need a neat solution for lifting a floor boarded trap door

I've just had a 'trap door' replaced in a floor boarded floor. The previous trap door just had a couple of finger holes in it to lift it out, however: This was not particularly neat The trap door is ...
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2answers
106 views

Should I remove existing subfloor sheathing before increasing height of the floor system?

We're turning a 13x13 area of attic space into livable space. The new 13x13 area joins an existing room. The attic floor structure is: 2x8 floor joists and OSB board on top. There is a ~5 inch step ...
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2answers
217 views

How should I prepare subfloor for backerboard installation in bathroom tiling project?

A couple questions about installing tile in my second floor powder room. There is tile in our kitchen on the same floor. I assume because of the kitchen tile on the same floor that my engineered ...
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1answer
48 views

Styrofaom insulation for floor joists

I have an old wood home raised several feet off the ground on brick pillars. At this point you can see the ground through some of the floors. I'm wondering if it would be effective to insulate the ...
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2answers
941 views

How do I add blocking to floor truss joists?

I removed rotted subfloor plywood in powder room. I have engineered floor truss joists at irregular spacing. Question, I need to add blocking but the top of the joist is a 2x4 laying flat. Can I block ...
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1answer
75 views

Why do I have smaller than expected floor joist components?

I cut out the subfloor in my half bath on 2nd story above garage. I didn't expect to see 2x4s proving the most support, and just one 2x6 joist. Can someone explain to this newbie what's going on? ...
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1answer
306 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
3k 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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2k views

Painting Brand new concrete floor - is an acid wash necessary?

I just bought a newly constructed house that has a large (20x20) attached shop with a concrete floor. I want to paint the floor. I've looked at several sites on how to do this, and they all say to ...
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4answers
145 views

What would be a good option for a non-slip entryway surface in an anteroom where the door is very nearly flush with the floor?

Our home has a tile entryway/anteroom. The door to the outside is nearly flush with the floor, If you place and secure 3 post-its (i might be exaggerating a bit here, but it is far less than a ...
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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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575 views

Strength, weight, cost comparison for Aluminum vs. Framing Lumber floor joists

I'm considering using Aluminum (I beams or other shapes) instead of Framing Lumber as the material for the floor joists in a residential remodeling job. The finished floor I intend to support with ...
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64 views

Concrete slab between stories

Here in the U.S., pretty much all the houses, even those that are made of brick, have framed floors, meaning there are 2 x (usually 10) joists from one side of the house to the other and then OSB ...
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1answer
512 views

How to raise bathroom floor ~8"

I am remodeling a small (6'x5'), 2nd story bathroom accessed from a landing that is 1 step (~8") below the upstairs floor level, and I want to bring the landing and bathroom floor up to the same level ...
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1answer
142 views

How to separate wooden shelf support from concrete floor

I am going to build some garage shelves. One long edge will be supported by horizontal battons fixed to the wall. The other long edge will have battons supported by vertical wooden legs. The vertical ...
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1answer
455 views

Leak underneath flooring, hot tiles, please help! RESOLVED

I appreciate any advice on how to fix a leak from under my bathroom shower floor. Water was flowing from the baseboards of the walls (about 1 liter), causing them to bulge and become disfigured, but ...
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1k views

removing a transition strip between linoleum and hardwood

I am going to tile an entrance way that is currently linoleum. The transition strip between the linoleum and a hardwood floor is glued down, it appears that it may be construction adhesive, very ...
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1answer
511 views

building a new house, I beams and floor joists different height [closed]

I have one section of the first floor with I beam engineered lumber 11-7/8" joists to span 20 foot area of a 20x20 room, so we have some open space in the basement. The other part of the house has ...
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1answer
145 views

Regular concrete as a floor leveler?

I have a small bathroom(6' x 7') that I want to lay tiles in. I'm on the ground floor of a 40 year old condo, so the floor is concrete. There's about 1/4" difference in height between the low and high ...
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1answer
803 views

Shimming a Floor Joist

I've got a floor joist that is low between 3/16 and 1/2 in. Because of its position, I can't sister it. How can I level it? Can I rip a 2x4 and glue and screw it to the top? Would it be stable or ...
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1answer
119 views

How to re-attach old bathroom floor tiles

Many of the old tiles on my bathroom floor are simply coming loose. See the attached photo. The land-lord is not prepared to replace them with new ones and I can't afford to do that myself, so I am ...
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2answers
213 views

Construction defect in basement slab under stairs in crawl space-how do I fix this issue

"The winter is coming" , so I started bringing in the items that are not supposed to stay outside during the cold season. Today I removed some materials that where sitting in the crawl space under the ...
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1answer
371 views

non-permanent construction adhesive?

I'm building a small floating wall about 3.5' wide. almost 8' tall. It will be 'floating' 8" away from the ceiling, floor, and perpendicular wall via 1/4" steel pipe connected to floor flanges. It ...
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1answer
144 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
81 views

Should I sand my traditional wood floor before staining?

I live in a flat with traditional wood flooring boards. They are pretty much in good condition although some have gaps of a few mm. Anyway we want to fill those gaps probably using Bona Gap Master (I ...
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1answer
4k views

How to fill a large gap between tile and shower tub to ensure waterproof gap

I incorrectly tiled my bathroom walls, leaving a 3/8 inch gap between the subway tiles and the shower floor tub. I have purchased some back rod roll to help with caulk fill. Before I put all this ...
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88 views

How to support new wooden floor joists on stone and clay foundation walls

I'd like to ask you for some best practice sharing, or advice . My situation: I'm about to make new wooden floor in old house with walls made of clay and huge rocks. The walls are therefore a bit ...
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1answer
104 views

how do I protect a new engineered wood floor from sofa wheels

I'm getting a new engineered wood floor fitted next week and have an existing sofa with castor wheels at each corner. What's the best protection from damaging the floor? I don't want to put a mat ...