Use with flat, vaulted, or cathedral ceilings. Square Ceiling Support Box is painted black. Refer to size chart to determine size of support box needed. Supports up to 40' of DuraPlus chimney. Starter Section built in.
DuraPlus is a triple-wall, all-fuel chimney for use with wood stoves, fireplaces, furnaces, boilers, stoves, ranges, water heaters, or other appliances fueled by wood, oil, coal or gas. It is designed to boost efficiency by staying cool on the outside and providing a hot draft on the inside.