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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88 views

What is the best way to fix this garage floor?

I need an educated opinion about how to fix the garage floor shown below. I need the surface to be level and even. As you can see I have two items, a table saw and and work bench that have adjustable ...
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2answers
360 views

What thickness, size, and quality plywood is required for an aviary floor?

12'L x 5'D x8'H size aviary needs what thickness plywood to hold human weight. Aviary floor is slightly elevated from the ground. Also, please specify how many floor joists it needs to hold the weight ...
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0answers
103 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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3answers
355 views

How to fix a warped parquet floor?

Less than one year ago my parquet floor was sanded and about 50% of it was replaced with new wood strips, sealed, and then buffed. Now, if my lovely cats happen to knock over their water and it spills ...
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1answer
67 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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0answers
63 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
26 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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2answers
637 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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3answers
2k views

How can I speed up the removal of stubborn tile?

I am trying to remove tile from the bathroom floor. It was installed in the 70s, and the pieces are tiny, 1 in x 1 in. I've been hammering away but they're not coming up very easily. Is there a ...
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0answers
95 views

How should I deal with old black mastic before installing floor tiles?

I will be removing wood floor tiles that wee installed over old VCT tile which have black mastic on them. I can remove the wood and VCT with no issues, but I do not want to have to remove the old ...
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1answer
84 views

How can I remove 6-8 inches of concrete from a wooden floor?

I have inherited a 143 year old building. Somewhere in the past someone poured 6 to 8 inches of concrete over top the wood bathroom floor. I really want the weight out of the building. Any ideas on ...
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1answer
119 views

Is it okay to put 3/4“ plywood over 1/2” wood subfloor?

I recently purchased a 2 level condo and took out existing hardwood floor on the 2nd floor. Some of the pieces of plywood is pretty old. I wanted to get an honest opinion on whether I should replace ...
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4answers
14k views

How can I locate floor joists?

I want to use some stop squeak screws that pull the subfloor tight to the joists, then break off beneath the surface of the floor. I am having a difficult time locating the joists: my stud finder ...
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1answer
55 views

Protecting a wood bathroom floor

We recently had our house renovated and two of the bathrooms now have bare wooden floors. At some point I'll get round to putting down tiles or vinyl but for the time being what should I do to protect ...
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0answers
70 views

Floor Makes Metal Clang When Walked On - One Room

We have a 3 bedroom, 2 bathroom house. The whole house has hard-wood flooring. One bedroom on the corner of the house has a floor that sounds hollow... When walked on it makes a loud clanging sound... ...
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2answers
239 views

What's the proper way to address a moisture issue in a concrete slab?

About 4 years ago my wife & I purchased a home. It was approximately 10 years old at that time. The foundation is a concrete slab. Approximately 2-3 years before we purchased the house, the ...
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1answer
87 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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2answers
127 views

Installing baseboards

I'm putting in baseboards in my kid's bedroom and have only been able to find the profile I want in MDF. I would prefer wood as I understand it is more durable. I've gotten conflicting information re ...
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0answers
58 views

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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2answers
631 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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0answers
103 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. ...
2
votes
1answer
91 views

Should I install a moisture barrier before installing engineered hardwood in a partial basement?

I am thinking about using a 6 mil poly and a thicker sound/water barrier to make walking on the floors a bit softer. I plan to tape (or use silicon) as a means to seal moisture. My question is, is it ...
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0answers
47 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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0answers
203 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
177 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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1answer
177 views

How do I lay joists over a complex-sloped basement floor

I am helping a friend install a bathroom in his basement. The basement floor is partially rock which has been covered in plastic vapour barrier and then covered in a thin layer of concrete. (The ...
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1answer
32 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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3answers
34k views

What are these spongy/soft spots on my hardwood floor?

The house I recently bought has hardwood floors, but I've noticed that some spots are spongy when I walk over them. There is visible downward flex in certain spots to an observer of someone walking ...
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0answers
71 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
56k views

How can I level a sloped floor?

I have a 10x13 first-floor room which used to be a porch but at some point was closed in by the previous owners, and sheet linoleum was glued down to the plywood subfloor. Unfortunately they didn't ...
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4answers
8k views

how to repair large, uneven crack in concrete floor

I have a really long (about 20') uneven crack in my cement garage floor. Not only is it jagged, but the sides of the crack range from flat to about 1/2" high. I want to level the sides of the crack, ...
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1answer
758 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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1answer
56 views

What should I do if a new cabinet is smaller than the old one?

I want to change my bathroom cabinets, but need ideas for floor. If I leave the same tile and the new cabinet footprint doesn't match the old, then there will be a portion of the floor exposed with no ...
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1answer
1k views

What can I do about a house with internal concrete floor with no DPM?

My partner and I have just bought our first home.A 1950's bungalow which is need of refurbishment. So far it has thrown us a ton of surprises! The worst so far being the floor in one of the bedrooms. ...
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3answers
331 views

How should I finish a basement with a pitched floor?

I am building a room in the basement where the slab has a pitch. I have already installed had a foam and magnesium board subfloor and my intention is to have a carpet installed on top of that. The ...
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2answers
270 views

Should I patch this hole in my slab?

I'm in the process of tearing out carpet and installing laminate in my guest bedroom. After I got the carpet out, I discovered a hole several inches across underneath the wall that borders the garage. ...
2
votes
1answer
1k views

How can I add flooring to an attic floor with electrical wires running across it?

Want to floor attic space that has electrical wires tacked to joists. is the best way to notch out additional boards over wires and add to the top of these joists and then floor?
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1answer
195 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 ...
2
votes
2answers
513 views

How can I use bulk electrical wire to make a subfloor heating system?

Electrical floor heating kits run US$10 to $15 per square foot, but bulk wire only costs $2.50. With the controller, you're still running under $4 a square foot. I have a construction background, but ...
5
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1answer
5k views

Is my attic floor over my garage strong enough to use it for storage and maybe as a small work area?

I would like to use the attic space above my 2-car garage for storage of items around the house and garage, and if possible, utilize some of the space as a small work area. The previous owners left ...
0
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1answer
233 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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4answers
5k views

Hardie Board Subfloor—Thinset or No?

I'm remodeling the bathroom in my house that was built in the 1930s. I stripped out the old flooring down to the 1x8 wood planks (about 1/4" between each). I have 1/4" Hardie Board to put down in ...
1
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1answer
628 views

How should I orient the laminate flooring in this room?

I'm planning to install new laminate flooring in a bedroom that has two closets, and I just want to make sure I'm orienting it correctly. From what I've read, there are two rules for this: Along the ...
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0answers
402 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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vote
1answer
2k views

House slightly uneven floors almost everywhere

I recently purchased a 2050 sq ft. house 1 story, built in 2000, in North Dallas. We had a general inspection done on it, and the disclosure didn't mention any foundation issues, also all the doors ...
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2answers
225 views

Do I need an expansion gap around concrete laid inside a building

We are laying a concrete floor inside a room in an old stone building. Do we need to leave an expansion gap around the edge? The room is open at the front so we are not insulating or anything.
2
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1answer
704 views

What is the easiest way to measure an irregular floor space?

I would like to order a comfort mat for the floor of a small kitchen. The company can make it to order but I have to provide exact dimensions. This is harder that it sounds though as the floor space ...
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2answers
434 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 ...
0
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2answers
419 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 ...
0
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1answer
168 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 ...