DuraVent DuraTech All-Fuel Chimney Roof Support - For 8" Inner Diameter DuraTech: A venting pipe with an inner diameter of 8" is required for this unit. The Trim Collar is a separate purchase. Proper assistance for your fireplace is essential, but you should only seek it from those that have a reputation for producing it. With the DuraTech All-Fuel Chimney Roof Support, you can rest assured that your chimney will remain in place at all times. Specifically designed for Chimney Pipes with an inner diameter of 8", performing routine maintenance on your chimney has never been so simple! The trim collar must be purchased separately before installation.

Limited lifetime warranty Adjusts to different roof pitches For use with 8" DuraTech chimney pipes Supports chimney pipe passed through a roof Can support up to 45 above and 20 of chimney below