What are the commonly used materials for curtain walls?

The materials for building glass curtain walls generally include: glass, frame materials, sealing materials and other filling materials.

1. Glass: The glass categories of architectural glass curtain walls include fire-resistant glass, coated glass, laminated glass, tempered glass, semi-tempered glass, insulated glass, float glass, and tinted glass. The glass curtain wall of this kind of architectural glass curtain wall should choose curtain wall glass with a reflectance ratio of no more than 0.30, and if it has requirements for lighting function, its lighting reduction coefficient should not be lower than 0.20. Note: In public places, clear warning slogans should be set up where the curtain wall glass is susceptible to impact.

2. Frame skeleton material: This is also a supporting material for the building glass curtain wall. It determines the characteristics of the building curtain wall and the service life of the building. Then the thickness of the section opening of the frame material frame material of the building glass curtain wall. It should not be less than 3.0mm, and the thickness of the closed part should not be less than 2.5mm; when the profile hole wall and the screw are directly connected by thread force, the local thickness should not be less than the nominal diameter of the screw. (The picture below shows the frame accessories and description of the architectural glass invisible curtain wall)

3. Sealing materials: Generally, the sealing materials of the architectural glass curtain wall include weather-resistant silicone structural sealant, EPDM rubber, silicone rubber, etc. . Usually, silicone structural sealant is used to bond the curtain wall glass to the building metal structure. In addition, the compatibility test of the sealing material and the contact material must be carried out before use, and it must be used within the effective period to avoid engineering accidents and impact on the environment. Quality of construction.

4. Other filling materials: The filling material of the building glass curtain wall is polyethylene foam rods. Its main function is to fill the gaps between the building glass curtain wall assembly materials and materials to achieve a beautiful effect; the building glass curtain wall The best thermal insulation material is rock wool, its main function is to make the curtain wall of the building have thermal insulation effect and play a role in building energy saving.

Summary: Architectural glass curtain walls are indeed good and can save a lot of energy. However, the structural design of this kind of architectural glass curtain walls must consider factors such as building deformation and waterproofing. After all, architectural glass curtain walls are different from ordinary glass curtain walls. The walls are different. The architectural glass curtain wall must span floors and the appearance of the entire building is integrated. Therefore, in addition to the above-mentioned necessary materials, we must also pay attention to the curtain wall design.