Window sills and wall caps are available in a wide variety of materials. Engineered marble, granite, solid surface, wood and formica. Engineered marble sills and caps come in standard depths of 4”, 5”, 6” , 8” & 10” and are typically ¾” thick. They are available in bulk lengths of 8’ or pre-cut to exact size. Custom depths are also available but a greater cost.Granite and other materials are all made to meet your specific needs in depth and length.