Schott Architectural Glass - Pyranova® SCHOTT Australia Type Frameless glass, Safety glass Glazing Single Nominal thickness 7,11,15,19,23,37,52 U Value / Insulation 5.6,5.4,5.1,5.0,4.8,4.2,2.5 Visible light transmission 89,87,86,85,87,84,74 Weight 17,26,35,44,55,86,74 Extra features Multiple pane laminated glass Schott Pyranova® S Thin-profile multiple-pane glasslaminate SCHOTT Australia