Metalbest 18S-AIS Sure-Temp 18x22 Class A Chimney Pipe Attic Insulation Shield Galvanized Steel Vent Pipe Class A Shield 218490 LFM4_R8WLF78

The Insulation Shield is required to guard against the hazard of blown-in or blanket insulation filling any framed opening or contacting the chimney and possible contact of combustibles against the chimney. This part is required when running through a framed opening such as an attic, even if there is no insulation in the space. The only exception to this AIS installation is if you install a full enclosure around the chimney in the attic area at the minimum two inch clearance. - 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. - Features:Materials: Stainless steel - Clearance: 2 to combustibles - Allowable Flue Gas Temperatures:Maximum Continuous: 1,000 Degrees Fahrenheit / 540 Degrees Celsius - Brief Forced Firing: 1,400 Degrees Fahrenheit / 760 Degrees Celsius (60 min.) Creosote Burn Out: 1700 Degrees Fahrenheit / 930 Degrees Celsius (3 x 10 min.)