Casa di Sassi's unique Imperia Limestone Veneer Siding flats replicate mid-western quarried stone. You will be amazed how exact this profile matches the beautiful limestone native to Indiana and Ohio. This Limestone veneer siding has a unique cream/tan overall tone with splashes of grey and pink. The rectangular and square coursed stones range from 1'' to 12'' in height and 4'' to 21'' in length.