Commercial steel Doors & Frames built to last , Designed to the highest standards
Crafted with precision and built to last, our products are designed to meet the highest industry standards, providing reliable performance and enhanced visual appeal for residential and commercial applications alike. Explore our innovative solutions to elevate your entryways with style and strength.
Diamond Manufacturing is one of Canada's leading custom steel door and frame manufacturer.
With our state-of-the-art machinery, Diamond’s unmatched innovation allows our clients to maximize their budgets while ensuring uncompromising quality and value.
100% Manufactured in
Canada
Canada
Expedite manufacture and quick shipping facilities nationwide
Specializes in Custom steel doors and Frames
The only facility in Canada equipped with the most advanced cutting-edge machinery in the industry
Diamond Series
Unmatched Strength and Durability
Built to deliver superior performance and withstand intense use.
Exceptional Quality
Features a flawless surface free of weld marks for a clean, professional appearance.
Engineered for Extreme Conditions
Designed to perform reliably under the most demanding environments.
Quality door openings are backed
by sturdy framework.
Resource & Support
Innovation meets quality
Choose Diamond Doors for unparalleled reliability and design excellence.
