One of the fire safety features of double-wall Type B gas vent is that its outer wall, insulated by the airspace beneath it, requires only 1â clearance to combustible material in the structure.
Fort Mill, also known as Fort Mill Township, is a town in York County in the U.S. state of South Carolina. It is a suburb of the city of Charlotte, North Carolina and is located north of Rock Hill.
Berkeley County, South Carolina. Berkeley County is a county in the U.S. state of South Carolina. As of the 2010 census, its population was 177,843. Its county seat is Moncks Corner. After two previous incarnations of Berkeley County, the current county was created in 1882.