Contemporary 163mm thermally efficient system
Ultra energy efficient with U-values of as low as 0.85W/m2k triple-glazed or 1.23W/m2k double-glazed making it Part L and Future Homes ready
Effortless operation while accommodating individual sash weights of up to 400kg
Can be comfortably fabricated to an opening of up to 4m tall by 3.5m long on a single track option, or 4m by 7m, in a twin track configuration