Steel Stacks, a division of Air Techniques, Inc., specializes in complete custom design, fabrication,
and installation of steel stacks for air pollution control, process exhaust systems, and accessories
for emission control systems. Our products include self-supported, free-standing and tower supported
steel stack systems available in single wall and dual wall configuration with optional single or multiple flues.

Since 1979, Steel Stacks has provided a superior quality product designed by our trained engineers,
applying cutting edge technology and design techniques. Fabrication is performed in our advanced
technology shops utilizing the latest state-of-the-art positioning and automatic welding equipment to
deliver a product customized to your project specifications. Steel Stacks a broad range of materials
in the construction phase including carbon steel, COR-TEN™, stainless alloys, and fiberglass.
And we use only the best exterior paint systems to resist weathering, and offer various interior
coatings and refractory linings available upon request.

We stand for excellence in stack design and fabrication, and are committed to providing
competitive products and services with uncompromising quality. Our reputation offers you
the confidence needed to complete a project safely, and in a timely manner.