
Calculate your fire rated ducts
Accurate bill of material calculations with the Promat Ducting Calculator
We understand the pressure you’re under—tight deadlines, budget constraints, and the need for precise calculations, all the while ensuring compliance with complex fire protection requirements. That’s why we’ve developed the Promat Ducting Calculator: your one-stop digital tool for accurate, reliable, and quick duct estimates.
Ready to see how it works?
Rely on Promat’s decades of technical expertise to ensure your calculations are on target every time. Say goodbye to guesswork and protect your margins with consistent, trustworthy results.
Get multiple calculations in just a few clicks—no need to juggle complex spreadsheets or manual math. The intuitive interface and automated formulas help you move from estimate to action in record time.
Enjoy unlimited access to the Ducting Calculator at no cost. Whether you’re working late or need a quick turnaround for a tender, our tool is available 24/7 to support your projects whenever a need arises.
Our Ducting Calculator is packed with tools that make your job easier: generate cutlists and board cutting guides, select from a comprehensive product library, and export your results as PDF or Excel to share with customers, suppliers and installers. Plus, you can access our integrated hanger system data for added compliance and peace of mind.
The tool covers the major ducting applications, including ventilation as well as single- and multi-compartment smoke extraction ducts. It provides reliable calculations for most ducting systems, ranging from independent ducts, to cladding for combustible, steel and steel kitchen exhaust ducts.
Want a quick walkthrough? Watch our step-by-step tutorial video to see how it all works.
For decades, Promat has been a leader in high-performance insulation and fire-protection solutions. Our technical know-how is backed by years of on-site experience and an unwavering commitment to quality. If you have any questions or need tailored support, our team of experts is here to help you optimize your ducting projects.