Newly certified Manufacturers Certification criteria

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Certified since Sept. 26, 2023
Climate zone Cool, temperate
Type Curtain Wall System
Efficiency Class phA
Material Aluminium
UW 0.80 W/(m2K)
Open type


70 mm aluminium curtain wall, thermally separated with rigid polyurethane foam (0,046 W/(mK)) and insulated with polyethylene foam (0,046 W/(mK)). Glass thickness 52 mm (6/18/4/18/6) with 18 mm insertion and HengHua Chang Yao spacer with butyl secondary seal. Stainless steel glass carrier with screws - simulated ChiGT-value of 0,025 W/K applied. Delta-U-value caused by small pressure plate screws was assumed to be 0 W/(m²K).

Name Frame width U-Value Ψ-Value Frsi-Value
Mullion Fixed 70 mm 0.70 W/(m²K) 0.034 W/(mK) 0.810
Transom fixed 70 mm 0.70 W/(m²K) 0.033 W/(mK) 0.800
Bottom Fixed 70 mm 0.73 W/(m²K) 0.033 W/(mK) 0.800
Top fixed 70 mm 0.73 W/(m²K) 0.032 W/(mK) 0.790
Lateral fixed 70 mm 0.74 W/(m²K) 0.033 W/(mK) 0.810
No. 31, Hongqi Road, Huashi Town
214420 Jiangyin, Jiangsu

U-Value Calculation

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