DuraVent DuraTech 8" 7/12 - 9/12 Ceiling Pitch Trim Collar for Roof Support
Product details
| Management number | 233075122 | Release Date | 2026/06/21 | List Price | US$37.22 | Model Number | 233075122 | ||
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With a Thermal Tech blanket insulation encased between dual walls, DuraTech offers the optimum in safety and performance. It keeps the outer wall of the chimney cool, while ensuring high flue gas temperatures for optimum draft performance.
The inner wall is 25% thicker than competitive chimneys for an extra margin of safety. No locking bands or mechanical fasteners required.
DuraTech’s sleek 1" wall design provides for easy installations through 16" on-center framing. For tight installations, a Reduced Clearance Square Ceiling Support Box is available (6" diameter DuraTech only).
Designed for normal, continuous operation at 1000°F flue gas temperatures, DuraTech is subjected to rigorous and stringent high temperature requirements of the UL standard, including one hour at 1400°F, plus three ten-minute chimney fire test at 2100°F.
What's Included
- Trim Collar
Features
- Conceals gap between chimney pipe and ceiling cut out when used with Roof Support.
- Painted black.
- Order to match appropriate ceiling pitch.
Specifications
| Model | 8DT-RSTC9 |
| Series | DuraTech DT (5"-8") |
| Product Type | Trim Collar |
| (Size) Inside Diameter | 8” |
| A | 20” |
| B | 10 1⁄4” |
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