Manufacturer's logo
Curtain wall glass is generally printed with the manufacturer's logo, which can be used to determine the brand and model.
Product number
Curtain wall glass usually has a unique product number, which can also help you confirm the brand and model.
♀? Ask the installer or builder.
If you don't know how to check the brand and model of curtain wall glass, you can consult the company that originally installed or constructed it, and they should be able to provide relevant information.
Internet search
If the above methods can't get the required information, you can also try to search for relevant information on the Internet. Many well-known curtain wall glass brands will publish their own product information on official website and provide inquiry service.