DuraVent
DuraVent DuraTech Trim Collar for Round Support Box
DuraVent DuraTech LDC 12" Square Trim Collar for Round Support Box
The DuraVent DuraTech LDC 12" Square Trim Collar for Round Support Box is a premium chimney finishing accessory designed for use with the DuraTech LDC all-fuel double-wall chimney system. Ideal for factory-built fireplaces, large masonry fireplaces, and vented non-condensing appliances, this trim collar provides a clean, professional finish around ceiling support box openings. It enhances chimney system aesthetics, installation accuracy, and code-compliant venting performance in residential and light commercial applications.
Engineered as part of a UL 103 Type HT listed chimney system, it supports diameters from 10" to 16" and features a solid-pack design with 1" ceramic insulation between a stainless steel inner wall and stainless or Galvalume outer jacket. It maintains a 2-inch clearance to combustibles and is tested to US and Canadian standards, ensuring long-term chimney safety, thermal efficiency, and reliable high-temperature performance in demanding installations.
Features
- Essential Chimney Finish Accessory: The DuraVent DuraTech LDC 12" Square Trim Collar is designed for use with the DuraTech LDC double-wall chimney system to provide a clean, professional ceiling finish.
- Conceals Ceiling Installation Gaps: Effectively hides the gap between the round ceiling support box and ceiling cut-out, delivering a seamless chimney installation appearance.
- Improves Chimney Aesthetics: Enhances overall fireplace and chimney system finishing, ensuring a polished look for residential and light commercial installations.
- Durable Galvalume Construction: Manufactured from high-quality galvalume material for long-lasting strength and resistance in chimney venting applications.
- Factory Painted Black Finish: Features a black-painted surface for a modern, clean appearance that blends with interior ceiling décor and chimney components.
- Compatible with DuraTech LDC Systems: Specifically d
Specifications
| Specification | Details |
|---|---|
| Model | 12DT-TCR |
| Series | DuraTech LDC (10"-24") |
| Product Type | Trim Collar |
| (Size) Inside Diameter | 12” |
| A | 16 1⁄4” |
| B | 22” |
Downloads
California PROP 65: This product can expose you to Lead & Chromium, which is known to the State of California to cause cancer and birth defects, or other reproductive harm. See WARNING