The DuraTech Support Box, with a 6" diameter and an 11" square shape, provides long-lasting support for chimney pipes in flat and cathedral ceilings. Its built-in twistlock guarantees a secure connection between the box and the chimney, making it a safe and stable addition to your DuraVent chimney system. Ideal for compact attic spaces.
Features:
- Fits between standard 16” on-center joists and most manufactured home applications.
- Supports up to 60' of DuraTech Chimney.
- A 2” wide trim collar is included.
- Painted black.
- Integrated adapter accepts either single-wall or doublewall stovepipe.
- Designed for appliances that are tested and listed for use with a 2100 °F HT chimney system