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DuraVent DuraTech Square Ceiling Support Box

SKU 5DT-CS11-2
Original price $329.86 - Original price $456.39
Original price
$329.86
$329.86 - $456.39
Current price $329.86

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DuraVent DuraTech Square Ceiling Support Box

Introducing the DuraVent DuraTech Square Ceiling Support Box—a robust solution for supporting chimney pipes in flat, cathedral, and short attic spaces.


Key Features

  • Versatile Application: Suitable for flat and cathedral (A-Frame) ceilings and short attic spaces.
  • Secure Connection: The built-in twist-lock mechanism ensures a positive connection between the support box and the chimney.
  • Standard Fit: Fits between standard 16” on-center joists and is compatible with most home applications.
  • High Capacity: Supports up to 60 feet of DuraTech Chimney.
  • Complete Kit: Includes a 2” wide trim collar painted black for a sleek finish.
  • Integrated Adapter: Accepts both single-wall and double-wall stovepipe connections.

Product Features

  • Durable Construction: Crafted from high-quality materials to ensure longevity and reliable performance in various ceiling configurations.
  • Easy Installation: Designed for straightforward installation, fitting seamlessly between standard 16” on-center joists without the need for additional framing.
  • Aesthetic Design: The black painted finish and included trim collar provides a clean and professional appearance, complementing any interior decor.
  • Safety Compliance: Engineered to meet industry safety standards, providing peace of mind during operation.

Product Specifications

Size Connecting Pipe Size Width (inches) Height (inches) Order # Stock #
*5” 5” 11” 11” 5DT-CS11-2 810018487
6” 6” 12” 11” 6DT-CS11-2 810018488
6” 6” 12” 24” 6DT-CS24-2 810018492
6” 6” 12” 36” 6DT-CS36-2 810018496
7” 7” 13” 11” 7DT-CS11-2 810018489
7” 7” 13” 24” 7DT-CS24-2 810018493
7” 7” 13” 36” 7DT-CS36-2 810018497
8” 8” 14 1/4” 11” 8DT-CS11-2 810018490
8” 8” 14 1/4” 24” 8DT-CS24-2 810018494
8” 8” 14 1/4” 36” 8DT-CS36-2 810018499

*Note: The 5” connecting pipe size is only available at 11” height.

Ceiling Pitch Compatibility

DuraBlack DVL Recommended Support Box Height
0/12 - 4/12 0/12 - 6/12 11” Support Box
5/12 - 9/12 7/12 - 13/12 24” Support Box
10/12 - 14/12 14/12 - 20/12 36” Support Box

Ensure proper selection of support box height based on your ceiling pitch for optimal installation and performance.

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