Cline Aluminum Doors, Inc. has been in the business of manufacturing custom aluminum flush doors since 1961. With that long history and a dedication to excellence, Cline Aluminum has earned the recognition of being a leader in the aluminum door industry. Cline Aluminum manufactures a variety of custom aluminum doors based on standard construction designs. The basic types of doors manufactured are Flush Doors (Series 100BE), Stile and Rail Tube Doors (Series 500BE), Heavy Commercial Screen Doors (Series 360SE), and Fiber Reinforced Polyester Flush Doors (FRP). Along with the manufacturing of commercial doors, Cline produces a wide variety of custom framing systems. For more information on the different variations of each type of product, click on the appropriate heading below.