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Massive Discount 6" Triple-wall - 36" Square Ceiling Support Box Now 40% Cheaper [NSidhH7E]

$57.99 $185.99 -69%

6" Triple-Wall Square Ceiling Support BoxThis robust and versatile ceiling support box is designed to provide a secure and reliable connection for your chimney pipe. Engineered with triple-wall construction, it offers exceptional durability and therm

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6" Triple-Wall Square Ceiling Support Box

This robust and versatile ceiling support box is designed to provide a secure and reliable connection for your chimney pipe. Engineered with triple-wall construction, it offers exceptional durability and thermal performance. The 36" square design ensures a perfect fit for a variety of ceiling applications, while the built-in twistlock guarantees a positive connection between the support box and the chimney.

Key Features and Specifications

Core Features:
  • Triple-wall construction for enhanced thermal performance and durability
  • Built-in twistlock for secure connection
  • Suitable for flat and cathedral (A-Frame) ceiling applications
  • Useful in short attic spaces (see instructions)
The support box is compatible with standard 16” on-center joists and is ideal for most manufactured home applications. It supports up to 60' of DuraTech Chimney, ensuring a wide range of installation possibilities. Additionally, a 2” wide trim collar is included for a seamless finish, and it comes in a sleek black finish.

Practical Applications and Benefits

Applications:
  • Chimney installations in residential and commercial buildings
  • Flattop and A-Frame ceiling support
  • Short attic space installations
This ceiling support box is not just a functional component but also a testament to quality and reliability. Whether you're a professional installer or a DIY enthusiast, this product is designed to make your chimney installation process easier and more efficient. With its adaptable design, it accepts both single-wall and double-wall stovepipe, making it a versatile choice for a variety of stovepipe applications.

What Our Customers Say

December 27, 2025

Absolutely no complaints!

It's a very good, exceptionally great-built product.

- Caradog X..

December 27, 2025

Absolutely no complaints!

So happy that I went ahead and then bought this!

- Nerys G..

December 27, 2025

Absolutely no complaints!

This raises the standard for everything else.

- Maren R..

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