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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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LVL Span Ratings and Beam Placement

I work with LVL beams frequently and see a lot of them placed under I-Joists to carry load of the floor. This is usually no big deal in 9' deep basements but in 8' basements an 11-7/8" triple LVL beam ...
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2answers
58 views

spa weight of 4,250 lbs

I have a pre-existing patio and would like to add a spa tub which weighs 4,250 lbs filled with water. Unknow is, re-enforced with re-bar? the exposed one side appears to be at least 18 inches thick. ...
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1answer
2k views

Orange material in grout lines - need help to identify

Having recently moved into a new (resale) house, I looked closely at the grout lines on one of the tiled shower floors and noticed many small gaps in the grout lines with an unidentified orange ...
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1answer
67 views

How to close this wall

My house has a small "porch" near the main door. In many years I've been here, I never once used this area that is on the North side of the house as a porch. It tends to collect junk that I need to ...
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6answers
1k views

How to laser-level close to a surface

Many self-leveling lasers, including my Bosch GCL 2-160, have a limitation when used to level a ceiling or a floor: the horizontal laser beam often cannot get within several inches of the ceiling or ...
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0answers
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Uneven floors from settling rim joist

We're trying to fix the uneven floors in our 850 sqft, 80 year-old house in San Jose. Our contractor opened up the floors and the problem appears to be that the floor joists rest on a skid, while the ...
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3answers
72 views

Concrete or mud pad below two layers of tile in bathroom. Not sure what it is and whether to demo it?

I recently started renovating one of our bathrooms. After removing a few tiles there was a second layer of tile beneath. Below the second set was a concrete/mortar base that is ~1.5 inches thick and ...
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1answer
69 views

What causes and how to fix lifting floorboard?

It doesn't seem to want to lift up. I assume it is some sort of tongue and groove board because there are no nails or screws anywhere. When I press down on the lifted part with a lot of force it ...
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0answers
40 views

Repairing cut wooden floorboards on either side of the main joists

How do I repair cut wooden floorboards that have been cut on either side of the main joists, as now the floor is squeaking and bouncing all of the time? I have tried attaching baton underneath with no ...
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0answers
27 views

Domed concrete floor (garage) needs leveling

I am about to replace a 14ft wide garage door. The concrete floor is domed in the centre of the doors width. The mid section of floor is roughly level for about 6 feet wide but falls away each side ...
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1answer
35 views

Q: What is the safest way to clean soiled concrete for tiling in a small kitchen?

I'm planning on tiling my kitchen floor which is bare concrete. However, I did a water test on the concrete and it's soiled to the point that water beads up on the surface. The floor most likely needs ...
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0answers
102 views

?? black tubes in basement floor?

My house in Canada is 14 years old . From original construction, rising up out of the concrete basement floor are 18" black tubes about 3/4 inch O.D. in three different locations . What are they for ?...
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0answers
41 views

How to install second subfloor?

I'm putting in 12mm floating laminate with a 4mm felt underlayment in my living room and I noticed some bowing in the current subfloor to the point where I can see it while standing up. The high ...
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1answer
53 views

Cutting already installed tile?

I am planning on installing floating laminate flooring in my hallway among other places in my house. I wanted to take out the tile on the outside of this small bathroom and I wanted to wait to replace ...
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1answer
27 views

What STAINABLE wood fill is best to use on a plywood floor? [closed]

I am doing a quick fix on an existing plywood, unfinished floor. I need to fill the gaps between boards before staining, then applying polyurethane. I have plenty of Minwax Stainable Wood Filler to ...
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1answer
53 views

Approaches to level a concrete floor with shallow pipes

I have a situation very similar to How to level a section of raised concrete floor?. Except, in my case the obvious solution of grinding the high point is not possible. In my hallway I have a raised ...
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1answer
121 views

Leveling the sagging side of the home

I am buying a home and one part of the home is actually visibly sagging. While looking at the crawlspace, I've noticed that some work was done to support the home. It seems like there is no new ...
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1answer
46 views

How can I remove paint splatters from sealed decorative concrete deck?

I have a custom concrete pation & pool deck that is textured / painted to look like wood. It is also sealed. Recently I had the coping on my pool fixed and the guy did a great job but left quite a ...
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2answers
83 views

New construction subfloor unlevel

So noticed my floor is unlevel in a new construction house. It is only sinking at the 2x4. Is in lake county Indiana. I look in the basement and see at the subfloor seam it did not hit the joist so ...
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3answers
1k views

Heating basement floor with water heater

Can I simply add a loop of pex from my water heater, under my flooring, and back into itself? Would I need some sort of pump? I haven't laid the tile yet and water heater is right on the outside wall ...
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1answer
37 views

Will using a paint or sealer on a concrete floor damage it?

I live in a 1st floor flat (relatively new build) that has concrete underneath the carpet. I'd like to remove the carpet and treat the concrete and have concrete floor. The floor seems pretty solid ...
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0answers
20 views

Do I need to remove the adhesive from peel & stick vinyl when putting hardwood with rosin paper?

I am removing peel and stick vinyl from plywood and will be putting nailed 3/4 in hardwood in its place. Do I need to get all of the adhesive up or is it ok to just put my rosin paper or other ...
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2answers
64 views

Do tile floors have transition joints at the entry to each room?

Hello I have a question regarding setting down some tiles. I tried researching the topic but I was unsuccessful. I posted a picture of the rooms that i will be setting down tiles. Which consist of 4 ...
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0answers
23 views

Cut Bathroom Supply Tube

I cut my hot water supply tube while replacing a damaged piece of flooring in my bathroom - pretty much cut it in half and now can't get it to stop leaking. How can I fix it to prevent future leaks?
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1answer
44 views

Storing ladder below subfloor in kitchen

My kitchen height is 9 feet. To maximize storage, I am planning to have cabinets all the way upto ceiling. To avoid lugging in a ladder all the time, I am planning to build storage under subfloor. ...
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0answers
61 views

Need advice on correcting a floor dip

I have an older house (1940’s) with a dip in the hallway leading to my downstairs (1st floor) bathroom. From wall to wall the hallway is 14 feet with the wood floor joists below running parallel to ...
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0answers
121 views

When does a splitting floor joist become a problem?

We recently moved to the US Northeast and bought a 6 year old, two level plus basement house. I've been finishing the basement and have noticed several floor joists are splitting. I come from a ...
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1answer
55 views

How can I take out dog diarrhea stain from unfinished pine floor?

My fog had an accident a few days ago on the unfinished pine floor we have in the living room. After cleaning it wish basic cleaning products it left quite a stain. I would appreciate any kind of ...
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1answer
42 views

What is it called when you increase the concrete floor (ramp it up) to avoid using a transition strip? What are the pros and cons of this approach? [closed]

What is it called when you increase concrete floor by ramping it up, to avoid using a transition strip?
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1answer
37 views

How can I support a room expansion that will extend above a garage slab? [closed]

I have a mud room that I'd like to make larger. By doing so I have to extend the floor out into the garage. Currently, there is a landing in the garage that is about 3 feet off the ground leading into ...
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vote
1answer
43 views

Floor joist splices appear inadequately reinforced

The following picture shows that the floor joists in this house are butt-spliced where they rest on top of a large beam. These joists are 2" x 6" Douglas Fir, and the end of each floor joist is ...
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0answers
32 views

Is it possible to get gas to an island range?

First, all gas/electric will be done by a professional. I have potentially the option to put a range in an island. I'm on a concrete slab. Can I build a raised floor and have the professional run the ...
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2answers
81 views

How to repair a beam of structured 2x10s

My house has a beam of 5 sistered 2x10s that are uneven. The beam has joists resting on top of it to support the floor, and joist hangers on one side to support a lowered room. Many of the members ...
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1answer
96 views

Main Floors uneven after attic conversion

We hired a contractor to convert our attic into living space. Long story, short...he was a nightmare and left with out doing any of the finish. Now, the floor joists on the first floor are raising ...
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2answers
55 views

Garage floor damp

Been reading on line for several hours now. I have dampness on my garage floor, note: it's about 8yrs old. If I put a box any where on the garage floor for several hours, there will be a damp foot ...
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1answer
134 views

Is this rat slab as useless as it seems?

One half of the area under a small house is not quite tall enough for a 5'4" person to stand up in. This main cellar has a wafer-thin rat slab with no gravel underneath. The other half is a crawl ...
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0answers
17 views

Partial insulation of suspended timber floor possible?

We live in a Victorian terraced house and will be putting tiling down in the hallway. I’d like to know whether at the same time we should also do something to improve the insulation of the floor. ...
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1answer
58 views

Saggy around sistered floor joist, how to fix?

Our house has a single floor joist that has been sistered running down the center of the kitchen. Sounds great except for the part where all the other floor joists have sagged a little bit and now ...
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1answer
37 views

Can I replace my bathroom's floor tile before replacing the tub?

I am doing a complete upgrade in a bathroom. Money is a huge factor. But, I'd rather hire a contractor to rr the tub surround (currently one piece). I'll do everything else myself. Can I put a tile ...
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1answer
41 views

Heated flooring under subfloor

I'm trying to make the best of a bad situation here. New (old) house + slow drain + airhead teenage daughter = flooded 2nd floor bathroom. It flooded so bad that the ceiling in my entryway ...
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1answer
66 views

How Are My Stair Openings Framed (60s side-split)

I'm looking to run some electrical & CAT5 in my place as well as potentially some larger projects such as removing some partition walls. As a precursor to this I decided to model my house in ...
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1answer
140 views

Is joist blocking safe on these old warped joists?

I purchased a house built in 1960 and like other people have mentioned the terrible bounce, I got the same exact situation. I'm thinking of installing blocking to strengthen the floor. The 7 joists ...
2
votes
1answer
48 views

What causes popping in new wood floor when furnace turns on?

I just had new solid wood floors installed and i hear popping where the floor meets my kitchen wall each time the furnace turns on (lasts for about 3 minutes). what causes the popping and how do I ...
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2answers
114 views

How should I frame a small void in my floor system to support subfloor?

After tearing out the old subfloor in my half bathroom (due to water damage) I am replacing it with 3/4 in (2 cm) plywood. One side overhangs from the last joist about 9 in (22 cm) to the wall, and ...
2
votes
2answers
140 views

Is it possible to fix this swollen floor?

First of all sorry for my English. I've built a playhouse for my kids: I've painted it using this: The construction took me maybe more than 3 months (this was my first attempt to cut a wood and ...
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3answers
109 views

Should I protect a shipping container from direct contact with the ground?

I'd like to buy a shipping container (something like the picture below) for my plot of land. However I heard some people saying that it can't go directly on the lands earth (don't know if it is true ...
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2answers
50 views

Steps to renovate uneven oak tiled Parquetry on cement?

I have Romanoff oak parquetry on the floors, new one shown here with 160mm tiles. The floor is uneven. The old parquetry in the pictures has become a bit dark that I want to polish besides filling the ...
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1answer
120 views

How do you install a floating floor on stairs?

I purchased a vinyl plank flooring to put in my basement and replace the old carpet down there. I would like to put this flooring on the stairs - but it is a floating floor. How can I keep it in place?...
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1answer
97 views

How can I extend a floating floor that was previously terminated at a wall?

We have had an extension on our house and have bought the same laminate flooring that already exists and flows through the hallway, dining room and living room. We now have a new, 5x6m kitchen/diner ...
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3answers
80 views

How to fix holes in linoleum so that I can lay down sticky tiles over it

My kitchen floor has old linoleum. I want to put down sticky tiles over the old linoleum. The linoleum has a few holes. Is there something that I can use to caulk the holes before putting down the ...