" " Exhaust Duct - Hoods and Stacks - Scrubber Systems - HEE-Duall - CECO Environmental

FRP Duct, Hoods, and Stacks

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FRP Duct, Hoods, and Stacks

Offered separately or as an integral component of our scrubber systems, our HEE-Duall brand custom fiberglass reinforced plastic (FRP) exhaust Duct, Hoods, and Stacks are an ideal and preferred method of venting in a variety of applications over traditional materials.

Our manufacturing process ensures uniform thickness and the highest quality finish, and we use premium quality resin and glass systems with rich resin interiors for corrosion resistance and fire retardant exteriors that are UV stabilized.

We manufacture both round and rectangular duct. Round duct is available in standard 3 to 144 inch diameters, with non-standard and rectangular sizes available which we design to suit your specific needs. Our duct and fittings are manufactured utilizing filament winding and hand lay-up techniques and comply with applicable ASTM (American Society for Testing and Materials) and National Bureau of Standards (NBS) standards.


  • Low Total Cost of Ownership
  • Longer product life with our premium quality resin and glass systems for corrosion resistance and fire retardant exteriors
  • Material strength and integrity – our duct and fittings are manufactured utilizing filament wound and hand lay-up techniques

HEE-Duall Duct, Hoods, and Stacks

For over four decades, The CECO HEE-Duall brand has been a global leader in the design and supply of purification systems. With state-of-the-art technology, our products are designed to remove hazardous and volatile exhaust compounds in multiple industries. We craft everything you need for collecting, handling, and controlling corrosive wastes. Our Duct, Hoods, and Stacks provide superior venting for our scrubbers systems, which are the premier choice for cleansing harmful industrial exhaust streams. When you utilize HEE-Duall brand products, you can be confident your emissions are cleansed effectively and efficiently.

HEE-Duall’s superior products can be custom-designed for systems to meet your unique situation, regardless of how large or small the job may be. Our system components are flexible and capable enough to handle almost any job. We can deliver the right equipment for your application, and we will assist you each step of the way. Our staff of experts are knowledgeable in all purification processes, and our customer support team gets a gold star for service. Choosing the right purification equipment for your company is a significant decision. But when you choose HEE-Duall, the choice is easy. Choose the most advanced, most reliable, and most carefully crafted equipment in the industry.

Visit Metal Stacks for information CECO Kirk & Blum metal stacks.