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8 Inch Ventis Galvanized Attic Insulation Shield

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VA-AIS08 - 8" Ventis Class-A All Fuel Chimney Galvanized Attic Insulation Shield. Use when a chimney passes through an unoccupied attic to keep insulation or any other combustible materials from contacting the chimney pipe. Galvanized with bottom flanges that ensure a proper fit into the framed opening. A Storm Collar is included.


  • Sleek Mirror Finish Outer Casing made of 430 Stainless Steel
  • Non-carcinogenic 2192-degree insulation for enhanced safety
  • Inner Casing available in your choice of 304L or 316L Stainless Steel
  • Innovative Ventis Thermal Web technology
  • Efficiently reduces heat transfer to the exterior of the pipe
  • Allows for thermal bridging between sections of the pipe
  • Seamlessly joins the inner and outer pipe while accommodating expansion and contraction of the inner pipe
  • Provides 360-degree reinforcement for the fastening system
  • Designed specifically for solid fuel applications
  • Listed to UL103HT and ULCS629
  • Manufactured in the USA
  • Forever Warranty™

Upgrade your chimney system with the VA-AIS08 for enhanced safety and performance.


  • This Shield is Required Where a Chimney Passes into an Unoccupied Attic Space to Keep Insulation 
  • Use to Keep Blown-in or Blanket Insulation Away from Chimney
  • Use to Maintain the Mandatory 2-inch Clearance to Combustibles
  • Made from 24 Gauge Galvalume Steel
  • With Bottom Flanges that Ensure a Proper Fit into the Framed Opening
  • Includes Storm Collar


Essential to a Class-A chimney system that allows the safe venting of a variety of heating appliances, such as wood stoves, pellet stoves, fireplaces, and other solid-fuel or oil-fired appliances, is the Ventis Class-A All Fuel Chimney Galvanized Attic Insulation Shield. Protecting the surrounding insulation material in your attic or roof space from the high temperatures produced by the chimney is the main function of this insulation shield.

Key features and functions of the Ventis Class-A All Fuel Chimney Galvanized Attic Insulation Shield include:

  1. Thermal Insulation Protection: This shield is installed around the chimney pipe where it passes through your attic or roof, providing a necessary buffer zone between the hot chimney and any combustible materials like insulation, wood framing, or other flammable substances.
  2. Galvanized Steel Construction: The shield is typically constructed from durable and heat-resistant galvanized steel, ensuring it can withstand the high temperatures generated by the chimney without compromising safety.
  3. Compliance with Safety Standards: The Ventis Class-A All Fuel Chimney system, including the insulation shield, is designed to meet stringent safety standards and building codes to ensure safe and reliable chimney installations.
  4. Easy Installation: Installing the insulation shield is typically straightforward, and a qualified professional can do it during the installation of the chimney system. Proper installation ensures that your home remains safe and that the chimney functions efficiently.
  5. Compatibility: It is compatible with Ventis Class-A All Fuel Chimney components. However, it may also work with other Class-A chimney systems, depending on local building codes and manufacturer specifications.

In summary, the Ventis Class-A All Fuel Chimney Galvanized Attic Insulation Shield is a crucial safety component designed to protect your home from the risks associated with chimney installation, especially when passing through an attic or roof space. Providing a protective barrier between the chimney and combustible materials helps ensure the safe and efficient operation of your heating appliances while complying with safety standards and regulations. It's essential to have such components professionally installed to ensure proper function and safety in your home.

VENTIS® CLASS-A All-Fuel Chimney System

The Ventis Class-A All Fuel Chimney with a 304L or 316L inner and 430 outer wall is a high-quality and versatile chimney system designed for venting a wide range of heating appliances, including wood stoves, fireplaces, furnaces, and more. This chimney system is known for its durability, safety, and compatibility with various fuel types, making it a popular choice for both residential and commercial applications.

Here are some key features and benefits of the Ventis Class-A All-Fuel Chimney:

  1. Dual-Wall Construction: The chimney consists of two walls - a 304L or 316L stainless steel inner liner and a 430 stainless steel outer wall. The 304L or 316L stainless steel is highly corrosion-resistant and is designed to withstand high temperatures and corrosive byproducts produced during the combustion process.
  2. All Fuel Compatibility: This chimney system is suitable for use with a variety of fuel types, including wood, oil, gas, and coal. It can handle the demands of different heating appliances, ensuring safe and efficient venting.
  3. Easy Installation: The Ventis Class-A All Fuel Chimney is designed for straightforward installation. It typically includes features such as twist-lock connections and secure locking bands, making it easier for installers to put the system in place.
  4. High-Temperature Insulation: Some models come with high-temperature insulation between the inner and outer walls. This insulation enhances the safety of the chimney by reducing the clearance requirements for combustibles, and it helps maintain higher flue gas temperatures for improved draft.
  5. Durable and Long-Lasting: The 304L or 316L stainless steel inner liner provides excellent resistance to corrosion and rust, ensuring that the chimney system remains durable and long-lasting even in harsh conditions.
  6. UL Listed and Tested: Ventis Class-A All Fuel Chimney systems are typically tested and listed to UL 103 and UL 103HT standards, ensuring that they meet rigorous safety and performance criteria.
  7. Versatile Design: The chimney system is available in various sizes and configurations to accommodate different installation requirements, including through-the-roof, through-the-wall, and freestanding installations.
  8. Sleek Aesthetics: The stainless steel finish of the outer wall adds a clean and polished look to your home or commercial space.

When choosing a Ventis Class-A All Fuel Chimney system, it's essential to consult with a professional installer to ensure that the system is appropriately sized and installed according to local building codes and regulations. Proper installation and maintenance are crucial to the safe and efficient operation of your heating appliance.

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Last updated on March 7th 2024.



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