Q-Air ® multipane glazing Key indicators OPTIONAL BREATHER INTERIOR GLASS PANE • Clean design – no need for external sun shading OPTIONAL EXPANSION CHAMBER • Exceptional occupant comfort, energy and sound performance OPTIONAL EXPANSION LOW-E GLASS PANE INTERMEDIATE LOW-E GLASS PANES (2 - 3 mm) • Quadruple, quintuple and 6-pane glazing EXTERIOR GLASS PANE • World’s best U value • Rugged engineering – no special maintenance • Jumbo size ‘G’ variants (up to 6 x 3 m) • EN 1279-2 certificate

Q-Air ® multipane glazing Center of panel U value ( W/m2K – EN673 ) Number of glass panes Glass unit thickness 2 Openable windows, sliding doors, glass facades Glass facades, windows Glass facades, windows Glass facades, windows Glass facades, windows Glass facades, windows Total solar energy transmittance, g-value 1 ( EN410 ) Selectable light transmittance ( EN410 ) Vented Sound expansion insulation chamber Rw ( dB ) Glass facades, windows Total solar energy transmittance of each glazing unit depends on the light transmittance selection. Actual glass thickness may vary due to glass options....