Home / Standards / GB/T 18244-2022 GB/T 18244-2022 Active Test methods for weathering resistance of building waterproof materials 建筑防水材料老化试验方法 Standard Type GBT ICS 91.120.30 CCS Q17 Status 现行 Issue Date 2022-07-11 Implementation 2023-02-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A