... 2mm, thermal break aluminum profileGlassSingle, double, tripled glass; double glass with grilleLow-E glass, Tempered glass, floated glass, reflective glass, OBS ... never fade or discolorb. this aluminium window with Energy saving and Eco-friendlyc. window with Sound and Heat insulationd. this aluminium ... attention. If you are interested, please feel free to contact with us. Aluminum sliding windows ...