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 ...

In what’s become almost an annual rite of passage, concrete contractors at various industry conferences show me “war wounds” that have resulted from wire mesh and rebar (reinforcement bars). They wear ...

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 ...

The placement of a water vapor retarder directly below concrete floor slabs on the ground has become common practice for buildings where floor coverings or coatings are to be installed. Such use has ...

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 ...