Home Improvement Stack Exchange
Home Improvement Stack Exchange

Questions tagged [slab]

203 questions
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What drainage should I install under concrete slab in garage?

I have a concrete garage which is halfway inside the hill. Essentially the surface behind the garage is at garage's roof level. Garage's floor is concrete slab 3"-4" thick (at least it's best I could figure). I suspect that the base under the slab…
Uncle Meat
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How do I make the slab stable?

The tiles/slabs I have outside my house are loose. So when I walk over them and step on the sides, the opposite side lifts up and its very awkward and dangerous. I would like to fix it properly on the ground. Please could any one tell whats the…
rfsk2010
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Is my shower drain leaking under the slab?

My wife & I renovated our master shower a couple years ago. About three months ago, we noticed the baseboards in the guest bathroom (on the other side of the wall from the master bath) were getting water damage (similar to how they were getting…
Dave Mc
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Pouring a concrete slab in batches

I'm wondering if it's okay to pour a 7 x 9 x 4" slab for a shed in batches, in that I'm not able to handle all of the concrete in one day. If so, is there any attack plan that would work the best? Thank you:)
Dave
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What should I do about a crack in the concrete slab in my living room?

We purchased the house about 2 years ago. The house is about 50 years old. Today we removed the carpet and the hardwood floors under the carpet. We found out the slab has an approximately 10ft long crack. See the picture. The crack goes from…
Hussein
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Frame Overhanging Slab by 3inches and not attached to support bolts

I'm using a contractor to build a brand new 2000sq foot home. There is one section on the house that looks suspect. The slab subs obviously overpoured, and it looks like it was compounded even more by the framers doing a shoddy job. There are two…
Sean
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Increase Thickness of Concrete Pad (for BBQ Island)

I poured a concrete pad a year ago in preparation for a BBQ island that I'm building. Unfortunately, I was slightly off on the elevations and as a result, the pad is level with the patio pavers (was meant to be 3" higher). While the patio has…
Richard
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Is it normal to find cracks in new concrete?

I'm having a house built and they just completed pouring the slab for the foundation a few days ago. When I inspected it today I noticed several narrow (but sometimes long; one or two do them appear to run nearly across the entire slab) cracks in…
aroth
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How to insulate a concrete slab foundation in an older house?

What are some ways to insulate a concrete slab type foundation in an older home built in the 1950's? As far as I can tell, the slab is not insulated at all and results in a very cold floor and living environment on the first level of the house in…
MrDaniel
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Should I form and pour the concrete all at once?

I want to build a dog kennel/run that is 4' x 8'. I am planning on pouring a 4" concrete slab. However, part of my design is that I would like the slab to have raised edges all the way around it (except for an opening for drainage). Should I form…
Programmer
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Need to move concrete slabs to backyard

I am building a pizza oven for the backyard and part of the build instructions said to build three concrete slabs (2 that are 47" x 20" x 5.5" and another that is 47" x 29.5" x 5.5"). It asks you to pour the slabs on a flat surface like a garage…
Rod
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My bathroom slab is 2 inches lower than the rest of the home's slab. How should I level it?

I am renovating our primary bathroom in our 1958 home. I demoed the tile and decided to demo the dry pack used to float the bathroom. After getting the dry pack out it appears my bathroom slab is roughly 2 inches lower than the homes slab (anyone…
s3aborn
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Is it a problem if the frame of my house extends 1 - 2" from the slab?

Is this a huge problem? The house frame is about 2" off the slab along the north side. On the other sides of the home it varies by 1", but not in as many places.
Beverly Hudson
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gravel under concrete slab? is it absolutely required?

so, I have a post-frame shed, 12x16. there are posts at 6' on the short sides and every 4' on the long side. posts are set ~18" below grade, on a 2" cap of cement over a few inches of well compacted gravel, holes were all about 27" or so, 2x6 girder…
Storyteller
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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 previous owner had an addition built on the back of the…
Kryten
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