Description
Adjusts from a minimum of 4.25in. to a maximum of 7.25in. wall thickness, and fits between standard wall studs. To accommodate thicker walls, the telescoping pieces can be extended up to 16in. with a field-fabricated extension installed. Interior trim ring painted black. Must be installed with DuraPlus chimney pipe horizontally through the wall and extend a minimum of 2in. into the room beyond the interior wall. Can adjust from a minimum of 4-3/4 in. to a maximum of 7-3/4 in. Fits between standard wall studs Black interior ring DuraPlus is designed to stay cool on the outside, provide a hot draft on the inside, boost stove efficiency, and provide for a fire-safe design that protects both the chimney and the building. This triple-wall chimney features two insulating layers?refractory blanket plus air space. Designed for normal, continuous operation at 1000 degrees F flue gas temperatures, DuraPlus is subjected to rigorous and strongest HT requirements of the UL standard. Model Number: 8DP-WTSS. Age Group: adult.