Quality you can trust.
Diamond’s unsurpassed quality, durability, and convenience make it perfect for commercial, agricultural and aviation industries. You simply won’t find a better bi-fold door, guaranteed.
Engineered and designed with a triple internal truss the Diamond Door system is one of the strongest in the industry.
Diamond’s unsurpassed quality, durability, and convenience make it perfect for commercial, agricultural and aviation industries. You simply won’t find a better bi-fold door, guaranteed.
Each door is custom built to meet your specific building requirements for your hangar, livestock barn, machine shed, factory, commercial, or retail building.