Recently, the Department of Housing and Urban-Rural Development of Jiangsu Province issued the Notice on Strengthening the Management of Curtain Walls (hereinafter referred to as the “Notice”), which requires strengthening the planning and review of building facade design in accordance with the requirements of building energy conservation, safety, and prevention of light pollution. The area and proportion of the building curtain wall.

"Notice" clearly stipulates that the new curtain wall project must be strictly examined, and the design of glass walls with full hidden frames is strictly forbidden. The outer glass of the open frame and semi-hidden frame glass curtain wall should be laminated glass, homogeneous tempered glass or ultra-white glass, and the outer opening fan should be There are construction measures against glass shedding. The stone curtain wall should be limited in its application height, and it is forbidden to use the wet plastering technique for building exterior stone materials. The height of non-pillar hanging stone should not exceed 30 meters.

The "Notice" proposes that environmental impact assessments should be carried out on glass curtain walls in urban downtown areas or densely populated areas, and the area of ​​their curtain walls should be limited. Effective shielding measures should also be considered or green isolation barriers should be established. Strictly controlling the construction of special-shaped, large-scale glass curtain wall buildings, and indeed using ultra-high and large-scale ultra-constructed curtain walls for urban construction needs must be demonstrated by the technical solutions organized by the construction authorities of local provincial cities. Construction curtain wall projects that have not been examined and approved by the construction drawing review agency shall not be constructed.

Regarding the supervision of construction and installation of curtain walls, the "Notice" stipulates that the construction unit should have the qualifications of the corresponding grade and must not undertake operations beyond its scope. New construction curtain wall project quality implements construction unit quality lifelong responsibility system.