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 ...