... 10 different openings: Casement, awning, sliding, folding, and double hung windows... Aluminum Windows & DoorsProfiles: Any color, wall thickness: 1.2mm, 1.5mm ... -energy saving and no thermal breaks.Advantage: Air tightness, water proof, durable.Standard Size: W600mm*H900mm, W600mm*H1200mm, W600mm*H1500mm,, W900mm ... and received good response as the excellent surface finishing. Aluminium Windows