Larger opening area, ventilation, lighting, breathable, anti-theft!

【Material】 Aero-grade aluminum alloy profile, German Roto special Life hardware, efficiency insulating glass, EPDM rubber seal;

【Structure】 Frame thickness 120mm, hidden ventilation, hidden drainage;

【Performance】 Air tightness level 7, water tightness level 5, wind pressure resistance level 7, sound insulation performance (Max. 36dB), thermal insulation performance (1.5-2.0W/m·K);

【Features】 Large opening area, single/double fan/split, hollow glass (16mm/26mm);

【Specification】 Rectangular, width 900-3200mm, height 1500-2800mm;

【Decoration】 Standard 20 colors, RAL color card colors, wood grain and metal paint;

【Region】 There is a large opening area of the demand for buildings, public and civilian can!