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 ...
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 TIM: My new home is under construction. I’m in a disagreement with my builder about what’s going to happen under my garage slab. Right now there’s a trench around the inside on all four walls ...
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