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.
Fort Jackson is located in Columbia, South Carolina. Located in the center of the state, the city is accessible by interstate highways I-20, I-26, and I-77. I-95 and I-85 are also a short drive away. Fort Jackson is located on I-77 South at exit #15 and I-77 North at exit #15A.