Home / Standards / GB/T 15227 GB/T 15227 Active Test methods for air permeability, watertightness and wind load resistance performance of building curtain walls 建筑幕墙气密、水密、抗风压性能检测方法 Standard Type GBT ICS 91.060.10 CCS P32 Status 现行 Issue Date 2023-11-02 Implementation 2020-11-01 Responsible Dept N/A Drafting Unit N/A