The Pitched Ceiling Plate provides a finished appearance where the chimney passes through a sloped ceiling. It is important to choose a plate that matches the pitch of your roof. This adjustable plate works for 6 12 to 12 12 pitch. The Sure-Temp Chimney System is designed to meet the needs of todays high-efficiency Wood Stoves and other appliances burning wood, oil or gas. Components may be combined in a wide variety of ways to solve almost any chimney installation requirement.Maximum Continuous: 1,000 Degrees Fahrenheit 540 Degrees Celsius Brief Forced Firing: 1,400 Degrees Fahrenheit 760 Degrees Celsius (60 min.) Creosote Burn Out: 2,100 Degrees Fahrenheit 1,150 Degrees Celsius (3 x 10 min.)Finish: Stainless Steel Fuel Type: Coal, Oil, Wood Material: Galvanized Steel, Stainless Steel Maximum Length: 30 Minimum Length: 19 Pipe Class: Class A Pipe Inside Diameter: 8 Pipe Shape: Round UL Listed: Yes Vent Construction: Double Wall Width: 16-1 2