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.
South Carolina Richland County Fort Jackson. Fort Jackson is located in northeastern Columbia, near where I-77 intersects with I-20. It was established in 1917 to train soldiers for World War I. Today it is the largest and most active Initial Entry Training Center in the United States Army, providing training to almost 50 percent of the men and women who enter this branch of the service each year. Here is a map of the Columbia area.