I have read that you can support a granite overhang (such as a bar) using 1/4" steel bars below or embedded in the rough top. The purpose of this is to support the 16" overhang without using corbels ...
The task I am replacing my kitchen sink. The existing sink sits in a rectangular hole (with rounded corners) in the kitchen worktop. The worktop is about 1½" (40mm) thick and is made of some kind of ...