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Complete 8" Duraplus 11" Square Ceiling Support Box - 8dp-cs11 Device [C3ByT8oz]

$49.99 $159.99 -69%

8" DuraPlus 11" Square Ceiling Support Box The 8" DuraPlus 11" Square Ceiling Support Box is a versatile component designed to enhance the functionality and aesthetics of your chimney system. This high-quality support box is compatible with various c

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8" DuraPlus 11" Square Ceiling Support Box

The 8" DuraPlus 11" Square Ceiling Support Box is a versatile component designed to enhance the functionality and aesthetics of your chimney system. This high-quality support box is compatible with various ceiling types, including flat, vaulted, and cathedral ceilings, making it an ideal choice for a wide range of installations. With its sleek black finish, it not only adds a touch of elegance to your space but also ensures a fully functional build that stands the test of time.

Key Product Features

The DuraPlus Ceiling Support Box is engineered to support up to 40' of chimney pipe, complete with a built-in starter section for added convenience. Crafted from triple-wall, all-fuel material, this component is suitable for use with a variety of appliances, including wood stoves, fireplaces, furnaces, boilers, and water heaters. Its innovative design features a ceramic blanket and air space, providing excellent insulation and safety. The Simpson DuraPlus system boasts a precision twist-lock connection, ensuring easy installation without the need for gaskets or sealants.
  • Triple-wall construction for superior insulation and safety
  • Supports up to 40' of chimney pipe for extended installations
  • Easy installation with twist-lock connection for a hassle-free setup

Practical Applications and Benefits

The 8" DuraPlus 11" Square Ceiling Support Box is an essential component for those seeking a reliable and efficient chimney system. Its robust construction and versatile design make it an excellent choice for both residential and commercial applications. By improving stove efficiency and providing a fire-safe construction, this product helps protect both the chimney and the building. With a minimum clearance of 2" to combustibles, the Simpson DuraPlus system ensures safety and efficiency, making it a smart investment for any property. Whether you're upgrading an existing chimney or installing a new one, this support box is a must-have for a seamless and effective setup.
  • Enhances chimney efficiency and safety with triple-wall construction
  • Compliant with various ceiling types for flexibility in installation
  • Protects both the chimney and the building with its fire-safe design

What Our Customers Say

December 31, 2025

Absolutely no complaints!

This product is a beautiful piece of industrial design.

- Damian F..

December 31, 2025

Absolutely no complaints!

This product is a superb choice for its reliability and sleek design.

- Jolene O..

December 31, 2025

Absolutely no complaints!

The quality is amazing and the product is super effective.

- Charlotte I..

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