Level 7 thermal insulation performance.
Level 9 wind pressure resistance.
Level 7 watertightness performance.
Level 4 sound insulation performance.
Frame: 1.4 mm; reinforced section: 1.4 mm.
Width: 500–750 mm; height: 800–1,400 mm.
5+15A+5 tempered insulating glass.
18 mm thermal insulation strips.
Level 5 airtightness performance.
Inward- or outward-opening configurations.
