Q. There’s a wide ugly gap between my concrete outdoor patio slab and the slab my house is built on. I’m trying to determine whether to caulk the crack or fill it with some cement-based patching ...

Cracks in concrete should be repaired as soon as possible. Cracks can lead to water getting under the concrete and eroding the soil, and putting off repairs can lead to a more expensive repair or ...

Uncompacted fill under a concrete slab — be it for an entire home, an exterior patio, a front porch or a driveway — is a recipe for disaster. Concrete is an amazing material, but it has an Achilles ...

Q: I disagree with my builder about what will happen under the garage slab of my new home. There is a trench around the inside on all four walls where they had to dig to install the foundation. The ...

Spalled concrete joints are the primary problem for a concrete floor. Though the joint is necessary to control cracking, they do provide opportunities for damage by impact from work done on the slab, ...