Description
This square ceiling support box supports chimney pipe and provides a positive connection between support box and chimney with a built-in twist lock. Suitable for both flat and cathedral (A-Frame) ceiling applications. Fits between standard 16″ on-center joists and most manufactured home applications. Supports up to 60′ of Dura-Tech Chimney. Use adaptor to attach DVL or Dura-Black to the support box. A 2″ wide trim collar is included.
- Approved for most fuel types
- 430-alloy stainless steel inner wall
- 2″ clearance to combustibles
- ThermalTech blanket insulation eliminates hot spots
- Twist-lock connections for strong, secure fits
- Able to vent large fireplaces and building heating appliances
- Clean, smooth exterior finish




