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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44 views

Floor insulation benefits?

I am experimenting with a floor design which would be heavy stone slab on a blocking lattice (no floorboards) or maybe on steel joists. Either way, such a design will allow a pretty rapid heat ...
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how to re-level a floor

i've had a foundation inspector look at my floor: as you can see there is quite a deviance on the right hand side. he says that any future movement is likely to be limited; although, cosmetic ...
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136 views

How to renovate a basement floor?

I'm going to remove a berber carpet glued to a concrete slab and I'm not sure how to prepare the slab for a finished floor. I'm renovating a room in a finished, walk out basement. It's adjacent to ...
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688 views

Gaps in wood floor near heating register

I have a maple floor that is showing gaps near the heating register. Looks like the wood is drying out due to the heat and shrinking. Is there any way to reduce this? Some sort of thermal barrier ...
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467 views

How to level uneven screed?

In my < 10 m^2 basement I have a screed floor which either from the beginning or over the years (some decades) has the following deficits: uneven thickness (10 to 50 mm judjing from the sides of a ...
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140 views

Hydronic Ceiling Radiant

I am looking to install radiant heating in my single-family house (300 sq. ft.), and I am primarily interested in hydronic radiant because my calculated heat loss is likely around 10kBTU/hr, which is ...
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1k views

Strength, weight, cost comparison for Aluminum vs. Framing Lumber floor joists

I'm considering using Aluminum (I beams or other shapes) instead of Framing Lumber as the material for the floor joists in a residential remodeling job. The finished floor I intend to support with ...
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2k views

removing a transition strip between linoleum and hardwood

I am going to tile an entrance way that is currently linoleum. The transition strip between the linoleum and a hardwood floor is glued down, it appears that it may be construction adhesive, very ...
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1answer
347 views

How to re-attach old bathroom floor tiles

Many of the old tiles on my bathroom floor are simply coming loose. See the attached photo. The land-lord is not prepared to replace them with new ones and I can't afford to do that myself, so I am ...
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2answers
416 views

Construction defect in basement slab under stairs in crawl space-how do I fix this issue

"The winter is coming" , so I started bringing in the items that are not supposed to stay outside during the cold season. Today I removed some materials that where sitting in the crawl space under the ...
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139 views

Large aquarium floor load

I'd like to put a 125 gallon aquarium in my entry area with a 55 or 75 sump tank underneath it. All told, I'm looking at likely 2250 to 2500 pounds over a base that's no more than 5 feet long by 20 ...
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39 views

Best/good way to remove linoleum squares on pine flooring

I have pine wood floors I want to refinish - but on top of the floor are square linoleum tiles. The adhesive is really strong. I tried pulling some up but it seems like a laborious task. I am also ...
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2k 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 ...
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78 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. ...
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623 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 ...
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203 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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94 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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95 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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1answer
132 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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159 views

Raise cupboard floor (under stairs)

We have a 1930s terraced house in London (UK) with a small cupboard under the stairs, its floor space is about 80cm x 190cm. The floor of this area is around 80cm lower than that of the hall that runs ...
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7k views

Leveling basement floor while keeping it sloping to the drain?

I am having similar problem with the basement slope being exceptionally steep around the floor drain (similar to this: How do I level a basement floor but not the slab underneath?). The discussion ...
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1answer
602 views

Can I get a smaller toilet installed? (picture included)

At the bottom is a picture of my toilet, where you can see the toilet pipe that enters the floor and that there is ~7 cm of space between the water container and the wall. Question Does there exist ...
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1answer
64 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
812 views

Is this mold, mildew or just dirt?

We just removed some molding from our floor only to reveal some kind of black substance that looks like dirt. We are not sure what it is. See the following photograph.
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1answer
153 views

Need help leveling part of a floor

We had an 8 foot square hottub in our bedroom for 10+ years. Because of the weight, the floor has sagged in that section. The tub is gone now and we had carpeted around it, but now there is a big ...
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1answer
110 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 ...
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2answers
805 views

Fill space between hardwood floor and wall

Last winter we noticed several areas of our floor have gaps that allowed cold air in. I'm looking for suggestions on how to fill these gaps between the wall and some floorboards that don't extend far ...
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1answer
94 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?
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1answer
70 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 ...
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1answer
428 views

Cold air under base board heat from floor

My wood floor doesn't go all the way to the wall underneath the base board radiator. I have a draft coming from that section. - what can I put down to stop the draft and looks nice.
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1answer
106 views

Replacing floor boards and joists

I am replacing water damaged floor boards in my bathroom. They were previously tiled and I will be tiling them again. It's an apartment and below the floor is concrete, with joists between the ...
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1answer
640 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 ...
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2answers
457 views

Basement floor drain back up, 1/2" snake failed, what next?

The basement floor drain is having backup after the wash cycle from the washer, it doesn't backup from other water usage. I had a plumber came in to power snake with 1/2" tip (and few other tips) ...
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1answer
2k views

Should I triple up 2x6, or 2x8 to help level a floor? [closed]

I want to level my first floor dining room. The joists supporting the floor is 2x8", 13' long on that side of the main support beam. They are spaced between 16 to 19" apart, there was some moisture ...
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1answer
225 views

how to repair garage concrete threshold

I have a really badly cracked concrete floor at the garage's threshold, looks like the previous owner just slapped concrete on threshold, and it has broken in pieces. What is the right way to fix it? ...
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2answers
255 views

Advice on building a livable cabin floor on a concrete slab with insulation and plywood

I'm planning to build a 10 x 12 living space based on a shed design. The shed will rest on an existing concrete slab therefore my plan is to lay 6 mil polyethethylene sheeting and foam board ...
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1answer
74 views

House floors I can feel the cat walk across while sitting in a chair [duplicate]

I wrote earlier I can feel the cat walk across the floor-- while sitting in the sofa chair this has increased over the a short period of time. The cat weighs 7 lbs. This is the only house I have ...
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4answers
910 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? Or ...
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1answer
662 views

How long can I run a joist without supporting it in the middle?

I am building a tree house with a bridge from one tree to another. What is the maximum distance I could run a joist for the bridge without supporting it in the middle?
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1answer
103 views

Mystery iron rod/how to remove?

I have a 1947 pier and beam house with an L shaped iron rod through the floor in a hallway closet. It moves up and down but will not lift out completely. I thought it might control the vents under the ...

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