Description
This 7/12 – 9/12 Dura-Tech trim collar conceals the gap between chimney pipe and ceiling cut-out when used with a roof support.
- 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
