$112.86
This is intended for both inner and outer installation and can help normalize its chimney while ensuring two inches of clearance, which is necessary on the outside alone. Features: Triple-wall chimney Clean, smooth exterior finish 2" clearance to combustibles Adjusts 2”-6” from the wall Use when air-cooled chimney is required Outer diameter is 4" larger than inner diameter Wall straps are required every 4' on the exterior of the building Free-floating inner 430-alloy liner maintains structural integrity in chimney fires For uses with wood stoves, fireplaces, furnaces, boilers, stoves, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas Use in interior or exterior installations to support and stabilize the chimney while assuring a 2” clearance Specifications: Size: 7" Inner Diameter Outer: 11" diameter Length: 17-Inch Height: 2-Inch Width: 17-1/8" Depth: 6-Inch Adjusts from: 2" -6" from Wall Inner Pipe Gauge: 27 Outer Pipe Gauge: 28 Pipe Class: Class A Vent Construction: Triple Wall Weight: 2 lbs. Material: Galvalume Fuel Type: Coal, Gas, Oil, Wood UL Listing Number: UL 103 HT Product Type: Wall Strap Downloads: DuraPlus Installation DuraPlus Product Catalog-Section Duraplus Woodburning Best Practices DuraPlus Product Brochure .