Follow these rules of thumb for a good-looking, long-lasting counter.
Backsplash: Seal joint with silicone.
Thickness: Choose ¾- or 1¼-inch slabs.
Cabinets: Top goes directly over base units or plywood.
Edges: Rounded ones don't chip as easily as squared ones.
Overhang: Equal to or just beyond the projection of the installed drawer pulls.