Diamond Bi-Fold Doors

Diamond Doors is a family run business manufacturing quality, innovative, cable-lift bi-fold doors. For machine shops, hangars, quonsets, storage buildings, and industrial applications. Direct sales and a growing dealer network in the USA & Canada. Engineered to your buildings specifications, we deliver a product that is safe, secure, and structurally sound. We are committed to the research and development of product improvements, striving to be the leader in todays bi-fold market. Visit our website to request a free quote.