Besides Silestone, countertop options for U.S. customers include laminate, as low as $33 a square foot at the Gulfgate Home Depot, and granite at up to $82. The prices don't include installation.

An average sized kitchen countertop in the Silestone Sunlit Days collection could cost around €3,700, depending on the thickness of the material. There are other options.

Q I have Silestone kitchen counters with a 4-inch-high backsplash, installed four years ago. Behind the sink, the joint between the counter and the backsplash, as well as where ba ...