1. The main reason for the sound when opening and closing the door is that the floor spring is rusted and damaged, so how can the glass door floor spring be maintained? Generally, if the glass door floor spring is damaged and cannot be used, it needs to be replaced. Buy a new one for the size of the glass door. If it can still be used, we need to see if the screw of the glass door floor spring is loose, just tighten it.
2. After the glass door is used for a long time, there will be some sagging. Generally, the reason for the sagging of the glass door is that when the glass door is installed, there is no ability to withstand the main glass door and the floor spring.
The way to repair the sagging of the glass door is to replace the floor spring again, and replace the floor spring with a force greater than the weight of the glass door.