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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0 answers
73 views

Identification of a house-wide magnetic system [closed]

Magnetism is a guess. I need help identifying some remote controlled installation that affects every room of the house. If I lay down on my back on a mattress my head or limbs get pushed upwards ...
6 votes
3 answers
38k views

Can I use just molding to hold down a floating floor or must I use quarter-round?

I am installing a floating floor (click-lock). The molding is all coming off anyway. Can I use just molding to hold the floating floor down or must I use molding AND quarter-round??
0 votes
3 answers
47 views

Is there a way to make tiles outside a home not slippery?

The tiles at my front door get very slippery when they’re wet (ie. rain or sprinkler watering). Is there anything I can do to make them not slippery?
1 vote
1 answer
53 views

Is OSB ok under cement board for tile floor

I've read that OSB is not suitable as a flooring substrate for tiles. But if the substrate will be cement board, is it ok to use OSB beneath that for subfloor repairs?
0 votes
0 answers
42 views

Remove white spots from luxury vinyl plank flooring

I just moved into an apartment where the floor needs some additional cleaning. The following are two pictures I took (click to enlarge): The floor is vinyl wood (Luxury Vinyl Plank Flooring). I tried ...
0 votes
0 answers
19 views

Help ! Weyroc / uneven floor needs levelling

we have had an extension built on the back of an old house and they fitted a floating floor with Weyroc top. We have bifold windows right across and want to put in flooring. Problem is that the floor ...
0 votes
2 answers
232 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 ...
0 votes
0 answers
59 views

Raising Sunken living room - Load concern

I want to raise the living room so it is level with the rest of the house. I have all the dimensions and how I will be doing it. However, I am concerned about the load as there is a basement below. ...
0 votes
1 answer
98 views

How to remove the fireplace hearth

I have removed a fire place surround. And removed the piece that sat on the floor in front of the fire. Before removal But after removal there is some kind of cement that is on the floor in front and ...
0 votes
1 answer
24 views

USG Fiberock underlayment used for tile installation

I reinstalled the tiles in the laundry room and the installer used USG Fiberock, instead of Hardiebacker - as initially told me. He’s telling me that USG Fiberock is good for laundry room. But now I ...
0 votes
1 answer
54 views

Adding a half inch of height to subfloor for laying floating porcelain tile

I am laying floating porcelain tile that is a half inch thick. I also have to lay down an underlayment under the tile. After accounting for both of these items I come up about a half inch too short ...
0 votes
0 answers
27 views

integrity of unreinforced 6-inch concrete slab floor for a 15mx20mx1.8m pool

Our church built an in-ground pool with the following dimensions: 15m x 20m x 1.8m (roughly 540cum) in our retreat center. However, no reinforcing bars were added when a 6-inch thick floor slab was ...
0 votes
0 answers
64 views

Garage drain isn't draining, how can I figure out where it ends?

My house is a 1977 ranch with double garage underneath and it has septic tanks. A round drain in the garage seems to go to the left as that's where the vacuum hose goes when I put it in the drain, but ...
0 votes
1 answer
63 views

Acclimating hardwood weight concern

I am having 3/4" red oak hardwood floors installed (1200 sq ft) and need to acclimate the wood. The floor is supported by 2x10 joists (16" center) with a 13 foot span. Can this wood be ...
6 votes
3 answers
966 views

How should I repair this floor joist that is too short?

My son recently bought a 100 year old house. We have been working on some framing repairs in the basement, and have some questions about the best way to sister some joists. This is a balloon framed ...
0 votes
1 answer
152 views

Should I use solid lumber or plywood to repair a floor joist?

Is it better to sister a 2x8 floor joist (cracked somewhere in the middle) using same size lumber or is something like 3/4 plywood better? Consider that both ends of the newly sistered joist won't ...
3 votes
1 answer
721 views

How to connect mismatched height baseboards?

I had a wall put up where a closet used to be and want to put in baseboard at the bottom. I have found that the floor is actually uneven and tapers at the end. So if I push the baseboard in for the ...
6 votes
3 answers
2k views

Why can't you install larger floor tiles without thinset/adhesive?

I can understand the need for adhesive for wall tiles. But if you have a flat floor, and medium to large tiles, why can't you just lay your floor tiles on the floor without any thinset and grout it. ...
2 votes
1 answer
84 views

Will these floor joists support a new soaker tub installation?

I am installing a 3ft. X 6ft. soaker bath tub that will weigh almost 1200 lb. dead weight when filled with water. The tub will be parallel to two existing 2x10 floor joists that have a 11ft. 3in. ...
1 vote
3 answers
15k views

Half-inch Gap between wall and floor in second floor bedroom

I moved a bookcase today was surprised when I looked at the wall. There was a 1/2" gap between the wall and the floor (see photos). The bookcase was not heavy, only used to hold kids games. It was ...
0 votes
1 answer
75 views

Can I add plastic moisture barrier under my conventional floors without further damaging wood floor joists?

I have a conventional 2x8 floor that is 40 inches off the ground. The crawlspace has 6"x12" vents on all sides of the house, spaced every 12-15 feet. We live in a humid area. Can I add ...
-1 votes
1 answer
121 views

What wood is our floor made from and will it be good as polished boards?

Can anyone tell what wood this is. It is a photo underneath the house (Southern Australia region). Will that come up well as a wooden floor?
0 votes
1 answer
82 views

Can we use hybrid water heater for radiant floor?

We have a concrete slab radiant floor that is currently heating by propane tankless boiler (Lochinvar NKC199N), but as you know LPG is expensive and not quite efficient. Now, I am thinking about ...
0 votes
1 answer
54 views

Condensing boiler outlet temperature for floor radiant

We've just installed a new Condensing Combi boiler last week, Lochinvar NKC199N. I've noticed the installer set the outlet temperature to 180F/82C and the return temperature to inlet is somewhere ...
-1 votes
1 answer
687 views

What are the black tubes protruding from my basement slab?

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 ?...
0 votes
3 answers
3k views

Door jamb and molding too short after replacing carpet with hardwood floor?

I've recently replaced carpet with hardwood floor. The door jamb and molding are now too short. Prior, the carpet was plusher and made the gap in this one door jamb less obvious. Door Jamb Molding ...
0 votes
3 answers
210 views

Best way to stiffen up floor

While gutting my basement I want to strengthen my floor above to make it move less. Currently the floor above moves a lot when people walk around, making it really loud in the basement and causes ...
5 votes
1 answer
480 views

Floor supported by nails, is it structurally sound?

Each time I look under this floor it bugs me; how can so few nails support an entire floor? Is this standard construction practice? It is an 80s house in Canada. New pictures to satisfy your ...
0 votes
0 answers
23 views

Wood filler between old and new hardwood strip flooring?

House was built in 1983 and had 2-3/4" strip flooring on most of the main floor. When we bought the house in Winter of 2020, we had the two remaining rooms stripped of carpet and had hardwoods to ...
1 vote
3 answers
8k views

What should base kitchen cabinets sit on top of? Why? Why not?

We are renovating our kitchen. We are ripping up the existing tiled floor. We are going to be installing IKEA cabinets. Should I install the cabinets on top of the subfloor? Or should I install the ...
0 votes
0 answers
54 views

Why are the edges of our subfloor wet after rain, but the walls are completely dry?

Our house has a stucco exterior and a dirt crawlspace, part of the crawlspace is wet, but there isn't much water pooling down there. Where the water is pooling, the subfloor is completely dry. The ...
1 vote
1 answer
74 views

Which kind of professional should I call to fix my creaking floor?

Landlord worries about me screwing through pipes that run under the flooring (though I wonder whether that concern is justified). I'm not terribly gifted in DIY anyway and I'm guessing this problem ...
20 votes
9 answers
15k views

What is this pipe coming out of the basement floor?

I’m finishing an old (1930) empty basement and have a random pipe coming out of the floor. ⁠I have no clue what it is or what it went to as it sits alone in the space. ⁠It is metallic (tested with a ...
0 votes
1 answer
146 views

tiling a floor that is not flat

I want to tile a concrete floor that has 1950s tile already installed on part of it. The problem is, one edge is out of flat with a slope change of almost 1" in the last 2 feet. Other than that ...
2 votes
0 answers
60 views

How can I make my glossy tile shine again?

I have this floor in the entry foyer of my home. You can see there's a small portion (near the top of the photo) that is shiny, but most of it is dull and scuffed (like in the rest of the photo). How ...
6 votes
4 answers
1k views

Garage loft max loading

How much load can this garage loft handle? The garage is 24' wide. The floor of the loft is 2x10s 24" OC. Those are 2x6s to the left of the plates (the 2x10s run all the way from those left ...
0 votes
2 answers
4k views

How to raise this floor transition joint?

I have this transition joint: that I need to install between a section of floating floor and a section of vinyl floor. Unfortunately, the height between the two sections is too high and the joint ...
1 vote
1 answer
61 views

How to shim shed floor joists resting on sleepers

I have a 12 x 14 shed with 16 inch on center floor joists resting on sleepers on the two ends and in the center to support the down. However some of the 2x6 floor joists on the end are shy of being ...
0 votes
0 answers
45 views

Installing a vent grill when the floor is finished

Is it possible to install an HVAC vent grill in the finish floor? This is in the attic space under a sloped roof, where the floor doesn't run all the way to the roof, so we actually have access to the ...
0 votes
2 answers
273 views

2x4 floor joists in attic: make stronger/level?

My house is 100 years old in Ontario, Canada. My attic is unfinished, and the joists are true to size (2” x 4”) rough sawn 2x4s (two 10’ pieces make up the 20’ span), 16” OC, cathedral roof. Supported ...
0 votes
0 answers
77 views

How to fill a second-floor conversation pit?

House was built in 1961 and has a "conversation pit" on the second floor. It may have been added when the house was last sold in 1976, see photos. I'd keep it, except whoever installed it ...
-1 votes
1 answer
88 views

Running heating pipe through beam under floorboard?

I need to run central heating pipe horizontally under the floorboards of an upper floor. I need to go through only one 75mm wide beam, but I'm wary of boring or notching it, also because that would be ...
1 vote
2 answers
120 views

Reinforcing a Subfloor Before Installing Tile

I want to reinforce my bathroom subfloor before I install Hardiebacker and tile. The original construction is 4-in X 6-in beams 4-ft O.C. with 1 1/8-in T&G plywood spanning the beams; there are ...
0 votes
0 answers
25 views

How to Undercut Walls for Floating Floor Between 2 Concrete Walls

I'm laying down NuCore LVP floating plank floor in a room with concrete/brick walls on either side and was wondering if it's possible to slide both sides of the floor into my undercuts. I have done ...
2 votes
1 answer
22k views

Can I put concrete over PVC pipe?

I have my laundry room in the backyard and there is an area that had a thin piece of concrete and below it there is soil. Beneath the soil there lies the drainage PVC 1 ½” pipe, gas line (not ...
0 votes
2 answers
858 views

Remove protruding garage foundation concrete curb

Please advise per the attached pic if it's possible to trim/remove the protruding part of the garage foundation block to be at the same level of the baseboard above it. Please let me know. Thanks.
0 votes
0 answers
28 views

Replacing sub floor, that is under a concrete floor

House was built in the mid 60s. It's on piers with a craw space. While having it leveled, we discovered rot under the half bath. The water leak is fixed. However discovered the sub floor that needs ...
1 vote
2 answers
395 views

Will this arrangement of bricks be a good base for a concrete floor for a garden shed?

I am building a 6ft x 4ft garden shed which will have a concrete base. I've levelled some ground, built a frame, and made a floor out of old bricks. The ground is fairly clay-heavy. I've been ...
1 vote
2 answers
2k views

How do I patch a subfloor over a return duct cavity

I need to patch these holes in the subfloor where the vents are. These holes are from a return vent that is being moved, the joist cavity below these holes is a return duct. I'm assuming using ...
0 votes
0 answers
31 views

Stacking LVT boards upstairs

I've just had a load of evocore LVT boards delivered (40 packs of 7 boards), which I dutifully dragged into my house. I can't find a weight for each pack, but they are pretty heavy. I took them ...

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