Diamond Bi-fold Doors – Leading in design and innovation in today´s bi-fold market. Diamond´s unsurpassed quality, durability, and convenience make it perfect for commercial, agricultural and aviation industries. You simply won´t find a better door, guaranteed!

Diamond will work with you to find the best bi-fold door solution to suit your needs. We custom build each door to suit your specific building requirements. We offer industry leading convenience with our single lever, or automatic locking system, unsurpassed strength with a triple internal truss design, and competitive industry pricing.

Explore our site, or give us a call and find out why every year more and more farmers, builders, and pilots are choosing Diamond for their door needs.

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2015 Big Iron Farm Show

We will be exhibiting at the 2015 Big Iron Farm show this year! This show is on from September 15th to the 17th in Fargo ND. Come visit us at booth K64 and find out why farmers all want a DIAMOND bi-fold door!

2015 EAA AirVenture show

Well the 2015 EAA AirVenture Show was Amazing!!!  We had so much fun enjoying the airshow, the evening concerts and talking with other pilots.  I was amazed to hear so many of you comment on how refined our door is compared to other competitors.  It was also great to hear how many loved our booth… READ MORE