The existing building curtain wall refers to the exterior wall enclosure decoration system that is newly built or renovated and put into use. According to the materials used for the curtain wall panels, there are mainly glass curtain walls, aluminum curtain walls, stone curtain walls, etc.

Due to various reasons, such as lax design and construction standards, improper use, or inadequate maintenance measures, existing curtain walls have certain safety hazards; Or due to incomplete design, construction and other materials, the completed house cannot handle the completion acceptance procedures; Or although the information is complete, it is delivered for use without completing the acceptance procedures. The above situations all require safety inspections and evaluations of existing building curtain walls to determine their safe use condition.

The safety inspection of existing building curtain walls includes summary investigation and surveying, which involves collecting engineering overview, technical data, engineering quality assurance data, and records of curtain wall usage and maintenance. The segmentation and nodes of existing building curtain walls are retested or rechecked, and the bearing capacity, structure and construction, component and node deformation of existing curtain walls are evaluated based on on-site inspection or laboratory testing of materials and components, referring to current national or industry standards. Finally, the safety inspection and evaluation results of existing building curtain walls are provided, and rectification opinions and measures are proposed for existing safety hazards.