Take care to prevent rust of sandwich panel
1. The product after construction comes into contact with dissimilar metals such as copper or the water flowing down from the copper roof, which may cause electrical corrosion, please pay attention to the contact with dissimilar metals.
2. It is recommended to use stainless steel screws for installing the board and light steel keel, etc.
3. The powder generated when the product is cut with a saw may also cause rust, so be sure to remove it with a brush, etc.
