GB 23441-2009 《自粘聚合物改性沥青防水卷材》 N类指标要求
GB 55030-2022 《建筑与市政防水通用规范》
Executive standard
GB 23441-2009 Self-adhering polymer modified bituminous waterproof sheet, specifications of type N
GB 55030-2022 General code for waterproofing of building and municipal engineering