GB 45320-2025 "Safety and General Technical Specifications for Building Waterproofing Membrane" is a mandatory standard in the field of building waterproofing membranes. The standard stipulates the safety and general technical requirements of building waterproofing membranes, covering material performance, limit of harmful substances, construction safety, etc., clarifying test methods and inspection rules, providing strong technical support for ensuring the safety of mass and use of building waterproofing membranes, standardizing industrial production, and promoting the healthy development of the building waterproofing industry.
| Status | Active |
|---|---|
| CCS | Q17 | ICS | 91.120.30 |
| Release Date | 2025-03-28 00:00:00 | Implementation Date | 2025-10-01 00:00:00 |