 The door will then stick and jam and typically will require replacement rather than repair

The second are extruded aluminum shapes, with aluminum frames made from thicker aluminum than rollformed doors.This makes an extruded aluminum door much stronger but also more expensive.Extruded aluminum screen door frames can be mitered and joined with aluminum alloy corners or can be notched out and joined together with screws that fit in screw holes made as part of the extrusion process.