The solar metal roof short rail is quick and easy to install and is suitable for areas with little wind and snow. It can be parallel to the roof ridge or across the roof ridge. installation method: 1..First, fix the short rail of appropriate length on the metal roof with self-tapping screws.   2. Fix the solar panel on the short rail with mid clamp and end clamp. This completes the installation.     The installation method is very simple and easy to understand. Its small size helps reduce transportation costs while reducing costs. Therefore, it is gradually becoming popular in European and Southeast Asian markets. The length can be customized, depending on the distance from the ridge.