Placing a concrete floor slab directly on top of an intact vapor ... Section 3.2.5.3 of ACI 302.1R-04 gives more detail regarding the amount of cracking to expect: For unreinforced, plain concrete ...

The concrete slab is often placed on a layer of sand for drainage or to act as a cushion. Houses built on a slab lack crawl spaces, and there is no space under the floor. If you are considering ...

Removing a concrete slab by breaking up the concrete is just ... Learning how to make concrete and leveling a new concrete floor are relatively easy projects. Once you’ve cracked up the concrete ...

and if these happen to appear in your home's foundation slab it can be particularly worrisome. Keep reading to learn why holes sometimes appear in concrete floors, and what you can do about it. Holes ...