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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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 ...
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0answers
141 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 ...
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0answers
48 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 ...
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1answer
251 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 ...
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3answers
86 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....
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98 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 ...
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1answer
378 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 ...
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0answers
72 views

How can I level sistered floor joists? [closed]

I have a 6' deep and 18' wide roof deck that has water damage. I removed the old flooring and tile. The joists by the stucco railing are rotten. The joists by the house are fine. I removed the rotten ...
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0answers
233 views

How can I edge concrete without an edge trowel?

How can I make a concrete floor (also using dry shake color hardener) with a proper edge, without using an edge trowel? In Brazil I cannot find an edge trowel anywhere, so I would like to know if ...
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0answers
134 views

Will I have any issues installing an in-floor heating mat with premix mortar?

I installed a radiant floor heating mat under ceramic tiles using a premix mortar. I now understand this was not the right thing to do. After further research the only reason I can find that suggests ...
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0answers
133 views

How should I waterproof a replacement shower floor?

I have to replace the tile floor in my shower because of mold. What should I use to waterproof the floor and turn up the wall?
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1answer
356 views

Sand dribbling out under baseboard. What could cause this?

The scenario: Slab on grade construction. House built 1938, slab poured in 1950's we think. San Francisco area. New framing, new hardwood floor, new baseboards. Completion 6 months ago. Altriset ...
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1answer
79 views

How can I make an even ground for a garden nursery, without using concrete?

I want to make a garden nursery. I know that many use concrete for this purpose but I would like to find out if there is a cheaper alternative. My requirement is simple - the ground should be even to ...
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0answers
368 views

How can I stop water from coming up through the floor?

I have a house that is on a high water table, and water is coming up through the floor. The property was excavated around the perimeter a couple of years ago and installed a new Big "O". Drycore was ...
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0answers
157 views

Kärcher RC 3000 alternative? [closed]

i am currently searching for an alternative to Kärcher RC 3000 robotic vacuum cleaner. The SIEMENS Sensor Cruiser has same build except the color. For me is important that the robot can clean the ...
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1answer
2k views

How do I install a vapor barrier and insulation in an existing floor?

I have a large room in my house that is built over a crawl space. The floor of this room does not have any insulation installed in it. I live in upstate New York so it is my understanding that I ...
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1answer
723 views

Alternatives to wood joists

I have a brick(3 wythe) building and starting to plan a kitchen remodel. The floor in the kitchen is pretty slanted and the wood joists don't look too good. So I will need some way to level the floor. ...
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2answers
554 views

Possible To Put an Epoxy Coating on Particle Board?

Is is possible/recommended to put an epoxy such as Rust-Oleum Epoxy Garage Floor Coating on particle board? Any help would be appreciated! ...
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1answer
278 views

Why cement under upstairs bathroom floor?

I went to tile upstairs bathroom floor and when we pulled up old linoleum and replace subfloor that was rotted we discovered 1 1/2" of concrete poured on top of old subfloor. Why would somebody do ...
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1answer
140 views

How to read this floor map scale?

I'm not an interior designer, but I'm going to do the home design myself. I don't know how to read the scale of this floor plan. I'm going to put this into a floor planner website and design, but I ...
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1answer
125 views

Temporary floor fix - Ikea laminate on concrete and wooden boards

I've just bought my first home and have started the long-term and rather daunting task of getting it into a decent state. First on my list is the Kitchen floor. See photo below. I pulled up the smelly ...
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1answer
719 views

Simple & Cheap dance floor instead of carpet

I'm having a large group over for a party. Since my living room is carpeted, I'm trying to think of clever ways to create a nicer dance floor than the carpet. One thought was two 8x4 pieces of plywood ...
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2answers
128 views

Should we use regular plywood or Lauan over fir strip sub-floor before laying vinyl?

We are preparing a rental kitchen floor for sheet vinyl or VCT tiles. We currently have exposed 3" wide fir strips as the sub-floor. We were told we needed to lay 3/8" plywood over the fir for ...
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2answers
129 views

How to improve garage floor look and color?

Here is a image of my garage floor. Hi-Res Link This is after a professional high pressure water cleaning contractor that used degreaser and bicarb soda chemicals to try to rid the floor of oil ...
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1answer
949 views

What causes uneven floors and can they be fixed?

I've seen two distinct cases. In the house I currently live in, the largest room in the basement has a floor that is uneven. Basically it dips lower towards the middle of the room. I presume this is ...
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2answers
66 views

What to mask space between panel floor and balcony with?

We have put the floors on our own. They're not perfect and we have left too much space between the floor and the window. And a standard finishing element like this: is too small. Here are ...
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1answer
40 views

Any recommendations on joists for weight bearing?

I am building a room (14 x 25) in my barn. I intend to stack hay on the top of the ceiling of this room. The estimated weight of the hay is 24,000 pounds. The joists will run the 14' length. What ...
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1answer
46 views

Exterior walls or floors?

I am wanting to build my own spacious house. This is on my pretend world where my family members are the first to be on the planet after scientists so there are no building codes just yet. I have ...
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1answer
54 views

Fix creeky old wooden floor

The duplex I live in was built around the 1920s and still has the original wood floor but its very creeky and the neighbors downstairs are always complaining so I'd like to fix it. I'm wondering if ...
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1answer
221 views

Cover old ugly floor in a rented apartment?

We have to move to an old rented apartment, the floor looks terrible (it's green! and that's the original color!!). How can I hide the shame? I'm looking for the cheapest solution possible (ANYTHING ...
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1answer
69 views

Filling gaps in hardwood floor - what's the easiest way?

I've got an old, beat-to-hell, hardwood floor in my apartment in the kitchen where quite a bit of water ends up on the floor on a daily basis as there's obvious things like a stove and sink, but also ...
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1answer
28 views

Remove dust from new garage

We have a brand new garage and are about to put a painted floor down. It needs to be totally clear of dust. I am not sure whether to hire a dry industrial cleaner or a wet/dry one?
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2answers
37 views

Is laminate flooring easier to install if compared to other flooring materials?

Is laminate flooring easier to install if compared to other flooring materials?
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2answers
115 views

Can I connect laundry tub drain directly into floor drain?

I would like to install a laundry room tub directly over the floor drain. Can I simply have the tub drain directly into the top of the floor drain?
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2answers
108 views

Why is it so cold downstairs?

My house has a concrete slab foundation and the floor in the kitchen and living room is all tile. It is always freezing downstairs in the winter and I'm wondering if this is due to the floor or maybe ...
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2answers
301 views

Spilt bleach on stained hardwood floor

Unfortunately upon moving into our new rented flat we have spilt a small amount of bleach (about the size of a large coin) onto hardwood floor. Here is a picture: Is there anything we can do such ...
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1answer
130 views

How can I fix a floor joist that has separated from the cross beam?

I have just 1 beam that is no longer in the notch that is supposed to rest in on the crossbeam. The house is 100 years old. Would it be a safe option to install a floor jack to bring the beam back up ...
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2answers
208 views

How does one fix an unlevel, poorly-supported floor when you can't access it from underneath?

I recently bought a new home. Also on the property is an accessory building which I am using as an office. The building is finished on the inside and has a cheap parquet floor. I'm not sure what's ...
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3answers
83 views

How can I get 2X6X12's cut at a slight angle so I can build a level floor?

Here's my question - I am turning a friends small garage into a guest room and I need to place a wood subfloor on top of the cement floor. The room is 7.5' wide by 12' long and it slopes at a slight ...
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1answer
113 views

Would cork flooring underlayment help with vibration dampening in a sub floor?

Related question: HE Front End Washer vibrations on wood floors: any tried-and-true solutions? In hopes of being able to keep our new front-end HE washer (which we like) I've decided to bite the ...
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2answers
82 views

Direction of wood flooring

Flooring will run long ways parallel to walls in hallway. Then the hallway runs into the living room with a large white brick fireplace at the far end. How should the wood be laid? There is a bank of ...
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1answer
139 views

replace one tile bathroom floor

18" tile part adjacent to toilet and under the flange cracked during toilet install (plumber). first try result: replacement tile is too high, i I had to remove it. Complication: tile rocks due to ...
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2answers
300 views

Replacing floor boards, then sanding and varnishing etc

We've recently bought our first house (yay!) and are looking to have exposed floorboards throughout. However I realise it's a big job and due to work etc I'll probably have to tackle this one room at ...
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1answer
148 views

Is plywood or dimensional lumber better for repairing notched joist?

During a recent remodel, I came across a 3 inch deep by 5 inch wide bottom notch in a 3x10 (the beams are that old!). I must say, i'm just a diy'er and even I was beside myself that someone would do ...
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1answer
137 views

How do I glue moving ceramic tiles without removing them?

There was a problem with the pipes under the floor, which resulted in several ceramic tiles being removed. At the moment these tiles are back in place. The problem is that 2 tiles next to them, that ...
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2answers
1k views

When Laying Tongue and Groove plywood over 1x6 subfloor, do I lay it with the grain perpendicular to the floor joists or to the 1x6 boards underneath?

I am redoing a bedroom and I am in the process of installing a new sub floor. I currently have 1x6 running perpendicular to the floor joists. Some do have a bit of give to them. I am laying over that ...
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1answer
75 views

I have an old house (100 yrs) up off the ground and in the past year the wood floors have began to sag where the boards meet [closed]

I think my house is about 1oo years old, I have lived in it for 15 years and just in the last year the wood floor has started to sag or bouncy where the boards meet. I thought it was in the traffic ...
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2answers
76 views

How should I cut through hardwood floor?

I want to install steps to my basement. I need to saw through a hardwood floor. Is there anything specifically I need to do to the hardwood?
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1answer
106 views

Can I insulate under my condo's subfloor?

My condo does not have a basement. I have a subfloor with three dummy registers. I don't know why they are there. My heating ducts are in the upper part of the side walls. In the winter the cold ...
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2answers
512 views

What 'quick & dirty' finish for a concrete floor

I am moving into a new home for 1-2 year period. Its an old office building and the landlord is flexible with how I decorate; as it will eventually be totally gutted and renovated. My 3 rooms are ...