Supports chimney pipe when it extends more than 5 above the roof. Adjusts 67" to 114". Use with 7" DuraTech chimney pipes. Includes limited lifetime warranty: A vent pipe with a 7" inner diameter is required for this unit. If your DuraTech All-Fuel chimney installation necessitates piping that extends above the roof, you should use this extended roof support to make the chimney system stable. The item adjusts from 67" to 114" to fit 7" DuraTech chimney pipes and can be used in a number of settings. The DuraTech system can be used to vent appliances that require a 2100 degree F chimney system, which would include wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances that use wood, oil, coal, or gas for fuel.

Supports chimney pipe when it extends more than 5 above the roof Adjusts 67" to 114" For use with 7" DuraTech chimney pipes Limited lifetime warranty