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

Refine search

1 2 3

Residential Chimney and Venting Solutions by Selkirk

Selkirk has been a pioneering force in the industry, adapting to its evolving landscape and always striving to provide top-tier chimney and venting solutions. Selkirk's wide-ranging selection of vents and chimneys, including all-fuel chimneys, has been meticulously designed and rigorously tested to uphold the highest standards of quality, safety, and performance in the industry. Every product we offer is backed by an industry-leading warranty, ensuring that you can trust in Selkirk for all your home construction or renovation needs.

All-Fuel Chimney - UltimateONE

Introducing UltimateONE, a testament to cutting-edge technology for hearth professionals. This factory-built chimney design offers unmatched performance, durability, and safety.


  • Available in 6"–8" Diameters
  • Stainless Steel inner and outer construction
  • Sleek Satin Finish
  • Continuous Welded Seams for a polished appearance
  • Latch-type Locking System for tool-free assembly
  • Solid Pack Insulation for enhanced safety and efficiency

UltimateONE's inner liner and outer casing are both crafted from all-welded 304 stainless steel, ensuring exceptional strength and resistance to corrosion. Its innovative web coupler design features 1" of Superwool insulation that makes contact at the seam, forming a continuous protective barrier. This not only allows for pipe expansion but also eliminates the risk of cold air infiltration.

The latch-type locking band simplifies installation, ensuring quick, secure, and solid connections every time. Available in 6"–8" diameters, UltimateONE accommodates a variety of residential fuels, making it a versatile choice for any project. Additional features include adjustable lengths for easy installation and multiple support kits for added convenience. Plus, all UltimateONE components come with the Smart Choice Warranty for your peace of mind.

Frequently Asked Questions

Q: What is the primary material used in UltimateONE construction?
A: UltimateONE features a construction of all-welded 304 stainless steel, ensuring exceptional strength and corrosion resistance.

Q: Is UltimateONE suitable for all residential fuel types?
A: Yes, UltimateONE is designed to accommodate all residential fuels, making it a versatile choice for a wide range of applications.

Q: What is the significance of the latch-type locking system in UltimateONE?
A: The latch-type locking system facilitates tool-free assembly, ensuring quick and secure connections during installation.

Q: Can UltimateONE be adjusted to different lengths for installation ease?
A: Yes, UltimateONE offers adjustable lengths, making the installation process more convenient and flexible.

Q: What approvals and certifications does UltimateONE hold?
A: UltimateONE is listed to UL103 TYPE HT in the U.S.A. and listed to CAN/ULC-S629 and CAN/ULC-S604 in Canada. It is approved for use on specific appliances.

Selkirk UltimateOne Typical InstllationsSelkirk UltimateOne Typical Instllations 2