thermal-break Aluminum window and door frame 1. we provide our ... Surface treatmentMill finish, matted, sandblast, anodizing, electrophoretic coating, powder coating, thermal break, wooden grainHardness8-14HWMouldBased on your drawing or use our ... ranges:aluminium profiles for windows and doors, aluminium profiles for thermal-break window and dooraluminium profiles for curtain wallaluminium profiles for ...