Renolx’s Efficiency, design, function, physical properties, the environmental protection and responsible handling of raw material resources meet the highest requirements and combine perfectly with the know-how of the window profile manufacturers to everyone’s benefits. Renolx offers a large number of window systems. So, every design wish can be fulfilled with different frame and sash heights and depths, double-sash elements without fixed centre post, transom / mullion combinations, real european bars etc.