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 Branch. For other uses, see Fort Branch (disambiguation). Fort Branch was a fort built by the Confederate Army especially to defend against attacks from the Union Army along the Roanoke River in North Carolina. The fort was originally built in 1862 along Rainbow Banks in Martin County, southeast of Hamilton, as a suitable location for defense of the Roanoke Valley.