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 ...

Applying control-joint filler demands balancing hardness to transfer loads, flexibility to move with the slabs and application timing to minimize tearing. A control joint (or contraction joint) is ...

Lightweight and versatile, molded polystyrene foam is a commercial building material that despite being commonly used remains somewhat misunderstood. Frequently identified by the misnomer Styrofoam, ...