The 4900 Sliding HI delivers the smooth operation of a sliding system with the strong performance typically found in casement windows. Offering excellent thermal and acoustic insulation, it features a generous 36 mm glazing capacity and a 34 mm thermal break for superior energy efficiency.
With its clean straight lines, slim 35 mm central junction, and integrated handle with multipoint locking, this system allows sashes to cross elegantly while maintaining security and a modern aesthetic. Ideal for projects that demand both style and high performance.