Description
Introducing the DuraVent DuraTech 7" Square Ceiling Support Box, the dependable solution for ensuring a rock-solid connection between your chimney pipe and support structure. With its built-in twist lock mechanism, this support box not only guarantees a positive connection but also offers unrivaled convenience during installation. If you're in the market for a chimney support system that combines strength and ease of use, your search ends here.
This versatile support box is designed to excel in various settings. Whether you have a flat ceiling, a cathedral (A-Frame) ceiling, or even need to navigate tight attic spaces, the DuraTech Square Ceiling Support Box has you covered. It easily fits between standard 16" on-center joists, making it suitable for a wide range of applications, including most manufactured home setups. So, regardless of your unique structural requirements, this support box adapts seamlessly to your needs.
Benefits:
1. Superior Connection: The DuraVent DuraTech 7" Square Ceiling Support Box ensures an airtight, secure connection between your chimney pipe and support structure, offering peace of mind and enhanced safety.
2. Versatile Application: Suitable for both flat and cathedral ceilings, this support box excels in diverse settings, making it the ideal choice for various chimney installations.
3. Perfect Fit: Designed to effortlessly slot between 16" on-center joists and cater to most manufactured home applications, this support box delivers a perfect fit with minimal hassle.
4. Extended Support: With the capacity to support up to 60 feet of DuraTech Chimney, this support box provides unmatched reliability for your chimney system.
5. Easy Installation: Featuring a built-in twist lock mechanism and including a 2" wide trim collar, the DuraTech Square Ceiling Support Box makes installation a breeze, saving you time and effort.
6. Robust Construction: Crafted with durability in mind, this support box is built to withstand the rigors of chimney use, ensuring years of dependable service.
7. Suitable for All Fuel Types: The DuraTech system is compatible with wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, and appliances fueled by wood, oil, coal, or gas, as well as zero-clearance fireplaces. It's a versatile solution for a wide range of heating applications.
Product Details and Dimensions:
| Size | 7" Diameter Square Ceiling Support Box |
| A | 7 1⁄4” |
| B | 11” |
| C | 13” |
| Part no. |
Height |
| 7DT-CS11 | 11" |
| 7DT-CS24 | 24" |
| 7DT-CS36 | 36" |
Applications:
DuraTech is a double-wall, all-fuel chimney system for use with wood stoves, fireplaces, furnaces, boilers, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas, and zero-clearance fireplaces that are factory-built.
Downloads:
About the Manufacturer:

Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.The company’s research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro.

