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.

learn more… | top users | synonyms

0
votes
2answers
121 views

Sealing OSB subfloor from moisture? Patching small gouges?

What are some methods that can be used to seal an OSB subfloor from moisture? And patch small gouges (quarter sized)? Background: Small Bathroom remodel. Tile came up with finger pressure, ...
0
votes
1answer
62 views

New Hardwood Floors Chipping

I just bought a newly built house in Maryland and have been living in it for about three months. Most of the house has hardwood flooring that for the most part looks really good. However, I've found ...
1
vote
2answers
42 views

How to get stains completely out of carpet?

So I have accumulated a disappointing amount of stains in my carpet (some of them even grease stains as I work with food) and I would like to know some sure fire ways to remove them with out ruining ...
0
votes
1answer
51 views

How to transition between 2rooms when gap is wider than standard 2“ ” t molding strip laminate

How can I transition between 2 rooms if gap is wider than standard 2"t molding strip for laminate floor? Looked for wider strip but could not find one.
0
votes
2answers
63 views

Self-leveling alternatives to gypsum concrete (Gyp-Crete, Pyrofill, Securock) over OSB?

Replacement options for < 1.5 inch pour? Details: Bathroom remodel (new tub, tile wall/floor, toilet, vanity). Old tile floor came up with finger pressure, found that the gypsum concrete ...
0
votes
2answers
53 views

How to remove stains from tile?

I have a very weird stain on the bathroom floor of an apartment I just moved into. Is there an easy way to remove this stain? Also, what is the material of this tile? Is it like a concrete tile? ...
-1
votes
1answer
65 views

Load Bearing or Not How Can I Know For Sure

We have an unusual 3 inch thick poured concrete floor in a steel mesh in the ground floor of our house, under this is a basement like area with an old riveted steel across half of it and a couple of ...
0
votes
0answers
58 views

Fill gaps on deck boards. Deck is now a sun room

We have enclosed a deck and the owner wants to keep the look of the deck floor. The floor has spray foam insulation on the under side. We want to fill the gaps in the floor. What would be the best ...
1
vote
3answers
166 views

Do I need to replace water damage or just let it dry out?

I had a water leak under my kitchen sink. It happened pretty slowly over the course of perhaps 8 weeks. The bottom of the cupboard was saturated and about 6 " up the sides of the same cupboard unit. ...
0
votes
0answers
24 views

What type of insulation should I use for varying joist spans of 3-4ft?

I live in the #3 region in California, and am wondering what the most cost effective and functional DIY method for installing insulation under my floors. I have kneeling room crawl space under my bi-...
1
vote
1answer
260 views

Cleaning indoor concrete floor without damaging it

I just finished helping a colleague clean out his (large) garage at his new house. He's gradually converting it to a indoor gym for himself and his kids (ie: indoor swing set, toys, etc, with a small ...
0
votes
1answer
87 views

How worried should I be about unlevel floors/vibrations?

we bought a house about 6 months ago. The house is 50 years old this year. Passed main and termite inspections with only minor issues (many of which we've already addressed), and also had an ...
-1
votes
1answer
49 views

How much heat can be saved by insulating under the floor? [closed]

How much heat can be saved by insulating under the floor, in the crawl area of my house?
1
vote
2answers
84 views

Concrete Floor for 400 Gallon Water Tank

I am planning to build a concrete slab on a soil surface to hold a 400 gallon water tank (Shown Below). I want to make it 7' x 7'. It should hold about 3,500 lbs. Would I need to put in rebar? I've ...
2
votes
2answers
184 views

Dealing with Asbestos Floor Tiling

This is a cement kitchen floor (about 300 sq ft). Removed cheap pergo flooring and discovered a layer of tiles from 1962. Had them tested and came back with a high composition of asbestos. Here are ...
3
votes
3answers
413 views

Is this a drain cover or an electrical outlet cover?

Can anyone tell whether this is a drain cover or an electrical outlet cover? Former homeowners converted a garage to a family room ~20 years ago including extensive water drainage reorientation. The ...
0
votes
4answers
125 views

Best way to fix an uneven floor

We have an uneven floor that when we first moved in tried to repair but were unsuccessful. The root of the problem is a foundation slab which is uneven. We could not even it because there is an ...
1
vote
3answers
225 views

Can I use self leveling compound to level old thin set over plywood subfloor?

The previous owner of my house tiled all the bedrooms on the second floor. I would like to remove all the tile and lay down hardwood flooring. So far I have removed the tile and now have all the thin ...
2
votes
1answer
75 views

Halo effect sanding floors

I've used a drum sander and an edging sander to sand a floor. This has left the perimeter of the room a little different from the rest. What's the best way to blend both the regions ? I used 36,60,80 ...
1
vote
3answers
84 views

New Basement Floor, house not framed yet

We are building a new house with an exposed basement. I had the floors poured a week ago while still warm in December. We have not framed the house up yet, meaning no deck, walls, roof, or HEAT. My ...
0
votes
1answer
52 views

What's the best type of underlay for bamboo flooring

I am building a new house and it sits on piers. The sub-floor I am using is yellow tongue particle board. I have just bought some bamboo floors and wondering what's the best type of underlay for it ...
1
vote
0answers
22 views

decking overhang

I am building a 8x8 deck with stairs coming from landing on north side to landing on n.w. corner then along the west side. inspector said if I can show that running the 6 2x8 joist full length 12 ft. ...
0
votes
3answers
81 views

How to choose laminate flooring

What should I be looking for when I choose laminate flooring? I am building a smallish house, I plan to put in laminate flooring in it. But I heard some horror stories about how some laminate flooring ...
1
vote
2answers
76 views

Dye laminate which lost its color because of detergent

A bottle of detergent for toilets leaked on my laminate for 3 days. The laminate became filled with it on a small area (less than 10cm²). The floor lost its colors and it slightly tinted in blue (the ...
1
vote
3answers
55 views

How to level an old cement floor?

I have an old garage where I want to make an office. The floor is not 100% leveled and has some holes. I read about self leveling material for the floor. Is this something one can apply? is it easy? ...
1
vote
0answers
66 views

sticky popping sounds coming from under my newly laid hardwood floors

i have a very annoying and frustrating problem. there are sticky popping sounds coming from under my newly laid hardwood floors. there is a underlay on cement base and the installer swears that he ...
0
votes
2answers
142 views

Load capacity of 2x4s spaced 16"

We are trying to finish an above garage attic space as a playroom (since the ceiling will be slanted - 7' to 4' headroom). The "room" is 25' x 8' and currently has 2x4s that are 16" apart. My current ...
1
vote
1answer
44 views

Access 2nd-story burst hydronic pipe through ceiling or floor?

We had a freeze which caused one or more bursts in our hydronic heating system pipes. We know that there is one burst in a radiator, but there may be others, according to the contractors. If there is ...
0
votes
0answers
176 views

Installing a floor for storage above detached garage?

We have a gabled-roof single-story detached garage with horizontal 2x4 beams spaced four feet apart and a 20' span. There are two vertical 2x4 beams connecting the two horizontal center beams to the ...
0
votes
0answers
42 views

Thin-set mortar advise

I was advised by Home Depot tech and bought a thin-set mortar VersaBond. Then, after I came home, I watched a Home Depot video on how to prepare my kitchen cement floor for laying on a 13.5" X 13.5" ...
0
votes
2answers
75 views

Do DRIcore panels need to be flat?

I want to install carpet tile over DRIcore on my concrete basement floor. The floor is far from flat; I would guess at least an inch or two of overall variation. Do I need to ensure the floor is ...
2
votes
1answer
358 views

How do I seal the cracks between my asphalt driveway and my garage concrete slab?

I am not sure if this is an aesthetic problem or not. I suspect that if I do not fix the damage properly the water will continue to infiltrate the cracks and it will create larger problems in the ...
0
votes
1answer
204 views

How to flatten an uneven plank subfloor when the existing planks can't be removed?

The upper-floor master bedroom in my c. 1700 house has a plank floor laid across the joists which is quite old, if not original. The planks were apparently once 1/2", but in some areas of the room ...
29
votes
10answers
9k views

Is this cracking foundation under a jack post a problem that requires repair?

I am buying an already-built new home. I find this in the basement. The builder says it's okay, but I am really concerned. Is this really a big issue? What steps would be required to repair it? This ...
0
votes
1answer
29 views

How to fix a creaky carpeted floor?

I recently moved to a 30ish year old building. The master bedroom's carpeted floor creaks horribly when anyone walks across it - loud enough to wake my wife and daughter in the next room at night! ...
0
votes
1answer
97 views

How do I change/paint the color of a closet door floor guide

I can only buy this from the store. I have made two pairs of Shoji doors, the frame is black, the screen is made of rice paper. I need the guides shown below to be black. Any idea what I need to do to ...
0
votes
0answers
147 views

How to seal joint between stone foundation wall and conrete cellar floor

In my 1910 vintage Baltimore row house, the concrete cellar floor was laid after the construction of the house. The joint between the irregular surface of the stone foundation wall and the concrete ...
2
votes
2answers
218 views

Fixing a creaking NEW chipboard floor

I have a newly created floor (for a loft conversion) that is chipboard over wooden joists with noggins. At present there is no ceiling below it. Some of the joists have been doubled up due to the ...
0
votes
4answers
188 views

filling holes in bathroom tile

When you walk in our bathroom on the tiles with high heels, it puts a hole in the tile. It seems likely the tiles were not meant to be for floor. Regardless, we'd like to find some way to fill in the ...
0
votes
0answers
53 views

replacing subfloor

How does one replace the sub floor? I will redo the bathroom and need to get to the pipes under the sub floor. This is the first layer of flooring... so it is installed before the walls went up. ...
1
vote
2answers
81 views

Installing Porcelain tile over linoleum floor

I'm considering installing porcelain tile over an existing linoleum floor. I've had several contractors come out and they confirmed it would be fine to do and suggested it (I know many posts ...
0
votes
0answers
71 views

How do I replace 2x4 outdoor decking with 1x4 hardwood decking?

I have a small entry area deck outside my front door, roughly 70 sqft. The deck is currently made of 2x4's and a few 2x6's screwed into ~16" on center floor joists. I replaced the front door and ...
3
votes
2answers
255 views

How to fix office chair worn hardwood floor

I currently have a hardwood floor that is worn down by an office chair and it needs to be fixed, optimally without having to do the whole floor with a floor sander. As you can see in this photo: ...
0
votes
0answers
30 views

Solid oak wood floor acclimation time?

I am currently about to install a solid wood oak floor. The wood is to be delivered tomorrow if I measure the damp readings and the solid oak floor matches the readings of the subfloor would it be ...
0
votes
1answer
58 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 ...
1
vote
1answer
247 views

How to clean pine wood floor (kitchen)?

I bought an older apartment with wooden floor, so I have no idea what kind of wood is it, what protection was used for it and what actually is that dirt. I was trying to clean it with soap water. ...
1
vote
0answers
78 views

What are my options for handling 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 ...
3
votes
3answers
266 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.
2
votes
1answer
547 views

What should we do with floor tiles that were applied with Type 1 Mapei mastic?

We tiled a 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 ...
0
votes
0answers
36 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. ...