The company offered all types of half round gutters, ranging from copper and aluminum to antique. A half round gutter is made to help bring some history to a specific building, because the ancient Romans made their rain gutters half round. Their lack of technology was overcome by making simple rain gutters. Now, in the modern day, a half round gutter is simply a historical pleasure, one that the company wants to help create. Making half round gutters is a profitable business because the demand for them is increasing.