The concrete slab can be thought of as the wearing cap for the building pad and base course. A well compacted and smooth subgrade is critical to a successful slab. Slab formwork, jointing details, ...

Expansion joints are created through the installation of a soft material, such as wood or foam, along the edges of concrete slabs. The flexibility of these soft materials prevents damage that would ...

DEAR TIM: My concrete driveway has eight large slabs. The driveway slopes down from my garage to the street. The straight-line gaps between the slabs has enlarged, and some cracks are as wide as 2 ...

Dear James: We plan to add a half-bathroom, but our house is built on a slab. Is it possible to still add a bathroom there, because there is no drain to the sewer in that spot? -- Charlotte G. Dear ...

Vapor retarders are sheet materials used below slab-on-ground floors to limit the amount of moisture that migrates into and upward through concrete slabs. If unchecked, moisture can cause floor ...

Question: We bought a house that requires an immediate brick patio repair. The brick patio in the backyard is very warped and looks like a wave ran under it. We want to replace it but don’t want it to ...