When your underlying surface isn’t smooth to begin with however, variable depth paving – or uncompacted design using 3D elements, may be beneficial. “When you pave on top of an already ...

Are there other things that can be done? What would you do? – Tom M., Binghamton, N.Y. DEAR TOM: Uncompacted fill under a concrete slab – be it for an entire home, an exterior patio ...

I think that’s a mistake. What should be done? A: Uncompacted fill under a concrete slab is a recipe for disaster. Concrete has tremendous compressive strength. If you squeeze it, it often takes ...