Structural performance (up to) Serviceability Limit State Wind Pressure: 1800Pa maxUltimate Limit State Wind Pressure: 4300Pa maxWater Penetration Resistance Pressure: 150Pa Max maximum recommended size (up to) Height: 2700mmWidth: 1000mm (sash width) Glazing Maximum Thickness (up to) Single Glazed: 6.38mmDouble Glazed: 22mm Acoustics (up to) Hinged Door: RW (C:Ctr): up to 33 (-1:-2)