6" & 8" DuraTech Roof Support, Galvalume

6" & 8" DuraTech Roof Support, Galvalume ThermalTech blanket insulation in the lengths, elbows, and tees eliminates hot spots + no shifting, settling, or voids.|In the event of a creosote fire, this insulation lets the chimney liner expand outward and prevents a chimney fire from spreading to the structure.|DuraTech sets the standard in performance.