$162.86
To avoid insulation and debris gathering close to the chimney, Attic Insulation Shield is necessary for systems that run through attics. is made up of two parts—a collar and a base—and is designed to fit over the Firestop Radiation Shield or a support box. The creative triple wall design keeps things cool on the outside and creates hot breezes inside to increase stove efficiency. This results in a structure that is fire-safe and safeguards the chimney as well as the building. The triple wall chimney has two levels of insulation. Features: Triple-wall chimney Clean, smooth exterior finish 2" clearance to combustibles Durable galvalume construction Includes firestop, base, and collar Use when air-cooled chimney is required For use with 6" and 8" DuraPlus chimney pipes Outer diameter is 4" larger than inner diameter Required for installations that pass through an attic Prevents insulation from accumulating near chimney piping 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 Specifications: Size: 6" to 8" Inner Diameter Outer: 10", 11", 12" Length: 20-Inch Height: 10-Inch Width: 20-Inch Base Dimensions: 20" x 20" Inner Pipe Gauge: 27 Outer Pipe Gauge: 28 Pipe Class: Class A Vent Construction: Triple Wall Weight: 8.2 lbs. Material: Galvalume Fuel Type: Coal, Gas, Oil, Wood UL Listing Number: UL 103 HT Product Type: Insulation Shield Downloads: DuraPlus Installation DuraPlus Product Catalog-Section Duraplus-Woodburning Best Practices DuraPlus-Product Brochure .