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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Options for Kitchen Floor/Dining Room Floor Height Differences

I'm reflooring both my kitchen and the adjoining rooms. The kitchen will be tile and the Living Room/Dining Room will be engineered hardwood. I'm going down to the joists in the kitchen because the ...
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40 views

How should I fill in pits in a concrete floor so I can install laminate?

I have these holes in the concrete floor, and I want to install laminate floor. What can I do to fill in these holes to get a nice level surface.
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1answer
362 views

DIYers - Unknowingly used wrong product! - Type 1 Mapei used for 12X12 tiles

We tiled 25 sq. ft bathroom with 12X12 porcelain tiles. Instead of a bag of normal powered mortar (which covered more area than we needed), we picked up the tub of Type 1 Mapei and were told it was ...
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21 views

Damp carpet and pad in two areas of basement

We have lived in our home for 43 years. The basement has always been dry. The house has drain tile and a sump pump and the sump has only run three times in all this time--only after very heavy rain. ...
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1answer
35 views

Should I remove vinyl flooring to allow the floor underneath to dry out?

We are renovating a 200+ year old house that had a dirt basement. We poured a concrete floor and put vinyl flooring (snap-together, looks sort of like wood) over this. The basement has gotten wet ...
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30 views

What has caused a concrete slab under a towel rail to erode?

I am in the process of replacing floor tiles with engineered wood in the kitchen of the house we're moving in to. However, lifting the tiles under where a towel rail had been installed we found a ...
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3answers
60 views

Refinishing wood floor [duplicate]

We had our floors refinished and there are still separations between the boards. The company claims that it's due to the original installation of the floor and are not fixing it any further. Is it ...
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4answers
2k views

Why did my installer install 1/4 round corners like this and how can I fix it?

We had a guy come by to finish some previous tile work we had done. The morning of finishing the tile, he called and said he couldn't get the grout to stick along the edges, and it was just going ...
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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
45 views

Hardwood floor slat is split/sagging

I recently bought an older home (1895) and have all hardwood floors. In the second floor I have a floorboard that is split and sags as you walk on it. How can this be fixed? Reinforced?
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1answer
68 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
88 views

Soaking tub on the second floor: safe?

I am considering getting a soaking tub (pdf here) for my second floor master bathroom. However, I am unsure of how much weight the floor and walls below can support. The house itself is wood frame ...
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1answer
67 views

is it OK to lay an engineered wood floor that is 27' long without putting a T-joint in the middle to avoid buckling?

I am installing an engineered wood floor (bamboo). My LR/DR is 27' long. The installer said I ned to put in a T-joint transition between the LR and DR, at the 18' mark, to avoid buckling. I am ...
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1answer
45 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
39 views

Using this aluminum L shape for stairs

I m doing a laminate floor(first time) from the room onto staircase. Now I m thinking about the transition from bedroom level to first stair and how much am I going to go with laminate. I can get a ...
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0answers
45 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
45 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
18 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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3answers
89 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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2answers
111 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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3answers
995 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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1answer
62 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
62 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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1answer
48 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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2answers
107 views

How can I level and finish a slanted deck that was enclosed?

Hello everyone I am new to this so I apologize if I seem a little slow mentally. I have a 104 yr old home that at one point had a deck that was completely enclosed. my issue is that the floor was ...
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0answers
55 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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26 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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2answers
124 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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67 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
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 ...
5
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1answer
92 views

Small geyser coming out of the basement floor

My house is 40 years old. I have had basement flooding issues for years. With heavy rain, water comes out of my floors. I have a sump pump that takes care of it. Despite knowing better, Ive been able ...
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2answers
85 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
45 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
104 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
56 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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1answer
53 views

How do I remove wax or Mop-and-Glow from Pergo floors?

How do I remove wax or Mop-and-Glow from Pergo floors?
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37 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
140 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 ...
2
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2answers
953 views

What kind of screws are used for plywood subflooring?

I have removed the old bathroom lino and cleaned the parts that adhered to the floor. I want to screw down the existing plywood subfloor because the nails are old (45yrs) and sparse. What kind of ...
2
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1answer
73 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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1answer
25 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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0answers
51 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 ...
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0answers
18 views

renewing a heated bathroom floor

I heard there is a material that works great for renewing a bathroom floor which has a heating system integrated. We would like to give a new shine to ours but we don't want to break everything. I've ...
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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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0answers
71 views

Self levelling concrete as primary floor?

My kitchen currently has a concrete floor with a bit of underlay and then some funky blue vinyl on top of that. A new kitchen is going in Q1 this year and I'd quite like the look of concrete floors. ...
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0answers
29 views

Tile vs cement polish

We have unfinished basement. Years ago when we gutted, we put down a layer of dry lock on the walls & floors because that's what we thought was protective. We've never had water come in thru floor ...
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1answer
246 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
49 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
92 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 ...