DB21T 3398—2021 房屋建筑外围护保温防水系统修缮技术规程.pdf

ContentI General Principles.I2 TeppS.2Basic Requirements.34 Assessment.44.1 General Requirements.4.2 Data Collection and Site Investigation.4.3 On-site Inspection and Testing4.4 On-site Inspection and Testing Requirement Assessment.5 Materials95.1 General Requirements.5.2 Insulation System Materials.5.3 Waterproofing system Materials.5.4 System Performance.6 Repair for Building External Thermal Insulation System Defect.156.I General Requirements.6.2 Repair plan.6.3 Construction.7 Repair for External wall leak.217.I General Requirements.7.2 Repair Plan.7.3 Construction.8 Repair for Roof Leak.288.1 General Requirements.8.2 Repair plan.8.3 Construction.9 Safe Green repair410 Quality Acceptance.4110.1 General Requirements10.2 Repair for External wall leak.10.3 Repair for External wall leak.10.4 Repair for roofleak.Addition A Calculation of Empty drum area Ratio.46Addition B Technical properties of thermal insulation materials.47Addition C Technical properties of waterproof materials.49Addition D on-site material reinspection item.51Explanation of Wording in This specification.52List of Quoted standards.534