... frame, door astragal 3.5" Materials: WPC: 80% foam PVC, 20% wood additives, Surface: ... exporter/mfr of FRP door and door skin and WPC and PVC door frame including the door jamb, brickmould ... , casing, astragal. The WPC door jamb size can be size 4-9/16inches, ... /4inches, 6-9/16inches. WPC brickmould size is 2", WPC casing size is 2.9", WPC astragal size is 3.5" ...