Construction: â?¢ Dark brown frame in anodised aluminium â?¢ Acrylic glass panes, brown tinted Accessories: Window surround: profile strip 39245, profile bow 39246. Internal window surround: internal profile strip: light grey 38000, brown 380000, rounded bow radius 60 mm: light grey 38003, brown 380030. External dimensions: external window dimensions + 3 cm in height and width