VictorianSash performance test results
* The value is tested for a 1230 x 1480 opening window according to EN ISO 10026:2016 Windows and doors: Air permeability ; EN 1027:2016 Windows and doors: Watertightness and EN 12211:2016 Windows and doors: Resistance to wind load. With 4 ONE /18/ 4/ 18/ 4 ONE, standard argon, Ug=0.519, thickness 48mm