... .5mm any style is available Doubled-glazed Casement Window CertificateSONCAP certificateWindow styleEuropean style; American styleOpening styleSliding, casement, turn-tilt, tilt-sliding, single-hung ... , (register in American)GlassSingle, double, tripled glass; double glass with grilleLow-E glass, Tempered glass, floated glass, reflective glass, OBS glass, etc.Thickness: 4mm, 5mm,6mm,8mm ...