100% secure
online shopping
On all orders!  
Continental US
Phone Hours
Mon - Fri: 9:00am - 6:00pm EST

8 Inch Ventis Galvanized Attic Insulation 12" Shield Extension

Starting at:
Short description:

Free Shipping on All Orders Continental United States!  Free Shipping | Ships Out Within 1-2 Weeks


VA-AISEXT08 - 8" Ventis Class-A All Fuel Chimney Galvanized Attic Insulation 12" Shield Extension. Allow you to extend the attic insulation shield by 12" for those out-of-the-ordinary installs.


  • 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-AISEXT08 for enhanced safety and performance.


  • Diameter: 8"
  • Extends Up To 12"
  • Galvanized Steel


The Ventis Class-A All Fuel Chimney is a high-quality chimney system designed for use with various heating appliances, including wood stoves, pellet stoves, gas fireplaces, and oil-burning furnaces. This chimney system is known for its durability, versatility, and safety features, making it a popular choice for homeowners and professionals looking to vent their heating appliances safely.

Key features of the Ventis Class-A All Fuel Chimney system include:

  1. All Fuel Compatibility: This chimney system suits various fuel types, including wood, pellets, gas, and oil. It's versatile, making it an excellent choice for various heating applications.
  2. Galvanized Construction: The Ventis Class-A chimney is constructed with high-quality galvanized steel, ensuring its resistance to corrosion and long-lasting performance even in harsh weather conditions.
  3. Attic Insulation Shield: This chimney system has an attic insulation shield, an essential component when the chimney passes through an attic space. The shield helps protect nearby combustible materials, such as insulation, from the heat generated by the chimney, enhancing safety.
  4. 12" Shield Extension: The 12" shield extension is an extension piece that enhances the safety of the chimney system when it passes through attic spaces or other areas where additional clearance is required. It provides an extra layer of protection and ensures the proper clearance from combustible materials.

The Ventis Class-A All Fuel Chimney system is designed to meet industry standards for safety and performance, and it offers a range of components and accessories to help tailor the chimney to your specific installation requirements. When installing a chimney, it's essential to follow local building codes and manufacturer recommendations to ensure safe and efficient operation.

This chimney system is a reliable choice for those looking to safely and efficiently vent their heating appliances, providing peace of mind and comfort 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.

No posts found

Write a review

Click on the Add New button below to submit a question about this product. Please ONLY submit product questions. For all other inquiries, please contact us at 1-888-986-1535.

Last updated on April 2nd 2024.



Share on Social Media!
 Share on Facebook Share on Twitter Save this product on Pintrest!