... 6063 - T5 Surface treatment: powder coating Glass entry sliding door thermal curtains sliding glass door 1.Aluminum:6063 T5 temper2.Surface ... , anodizing3.Color : white , grey , wood 4.Glass : double or single glass5.Glass thickness : 5mm to 20mm6.Hardware : China or German7 ... ) Impact/hurricane resistance passed grade N62) Sound insulation,thermal break, water proof, air proof.3) Easy to operate and ...