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.
Civil War Battles. Fort Sumter. Fort Sumter, a federal fort located in Charleston Harbor in South Carolina, refused to surrender to the Confederates. Sixty-eight soldiers under the command of Major Anderson had been in the fort from December 26th, without supply.