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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164 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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110 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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126 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
277 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
77 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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366 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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148 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
680 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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1answer
77 views

Adjust a refrigerator on the floor

My refrigerator stands on the floor unevenly. Its slant is small but enough to make the motor produce unpleasant noises. If I manually tilt the refrigerator a little bit, the noise disappears. ...
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1answer
207 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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2answers
417 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
134 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
94 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
572 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
102 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
123 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
735 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
60 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
36 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
43 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
65 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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2answers
25 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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1answer
51 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
78 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
190 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
102 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
139 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
72 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
96 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
55 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
128 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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1answer
187 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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2answers
247 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
133 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
118 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
74 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
74 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
102 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
427 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 ...
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2answers
220 views

Preparing surface when tiling over existing tiles

I'm retiling our bathroom and intend to tile over the top of the existing floor tiles. The floor is in fair condition at the moment with no cracking except in one place which I did myself and will ...
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0answers
29 views

How to install bathtub

I want to install a tub on basement bath where drain pipes are already installed and sticking out from concrete floor. I need to know how to raise the level of the tub from the floor in order to have ...
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0answers
35 views

Thin plastic floor covering

I have laminate flooring coming right up to the base of an external door. This door gets a lot of footfall, and has started to wear the top surface of the laminate where it meets the base of the door. ...
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0answers
16 views

Lay floor tile on exixting adhesive

I just removed the floor tiles in the kitchen. Now I have tile adhesive on the hardboard floor which i am struggling to remove. Could i just lay new tiles with extra flexible adhesive on existing ...
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0answers
23 views

basement flooring

I would like to put a floor in my basement. my idea is to put 3&1/2 squares of 2x4 material on the concrete with 2x4 sleepers on top and all covered with plastic(vapor barrier) now I would put 5/8 ...
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0answers
42 views

Transition laminate with t-molding to tile

I need to transition where the laminate is higher than the tile. The laminate is 12mm so the tile is about 1/8" below the laminate. I have t-molding and metal track but there is a gap on tile side. ...
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0answers
35 views

metal flexing sound from 2nd floor

I bought my home 6 months ago. When we moved in last summer, we didn't hear this sound. Now when I step on particular spot on this one bedroom, I hear metal flexing sound. I am guessing the duct is ...
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1answer
19 views

Whats size concrete aggregate

Not sure on what size stone/gravel i should use, 10 mm or 20 mm in my cement mix 1 cement + 2 sharp sand + 3 gravel (10mm or 20mm) ? I need to fill 4 gully's in an internal concrete floor, each about ...
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41 views

Can i replace the existing screed on concrete slab with floor insulation and electric underfloor heating?

Can i replace the existing screed on concrete slab with floor insulation and electric underfloor heating ? Standard screed thichness is something like 50 mm to 80 mm or so. My idea is to replace the ...