How to maintain the fire door garage shutter door

Maintenance of aluminum alloy shutter doors:

Most of the rolling shutters are exposed to the outside for a long time. Even some of the doors are used in the harsh environment in the wild. There are many road dusts and other foreign objects may enter the track of the door. Therefore, the surface of the rolling door should be cleaned regularly on a daily basis. Aluminum alloy has a flexibility. When wiping, it is recommended to wipe with a soft dry cloth; check the sealing of the rolling door for aging. If it is, replace it with a new one and check if the screws in each part are loose. Clean up the foreign objects in the track in time, clean up the parts that need lubrication, and then apply new lubricant. After the cleaning work is completed, run the rolling door to see if it runs smoothly and normally.