Castlegate – About the Company


A Premdor Company


A Castlegate Entry System is the real-world solution for homeowners who demand unfailing performance for the products selected for their dream homes. Castlegate’s reputation for reliability and value is built on dependable Total Performance design. As a member of the Premdor Family of Door Brands, our name is further backed by the resources of an emerging worldwide leader in the manufacture of entry products, ensuring continued product improvement and service to the industry.


Premdor Inc., the parent company for Castlegate, has been expanding in all segments of the door market. With a primary focus on one product line – doors – the segments of the company is firmly committed to development of the Castlegate brand through product expansion, innovative marketing and a continued emphasis on quality, value and service.