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406 total views Roller doors are shutter built from many steel or aluminum horizontal planks. They operate by rolling the slats around a barrel directly up or down with the help of either a spring or an electric motor (or both) and guides either side to hold the shutter secure in place. These types of doors are very famous in commercial as well as residential places, and their primary purpose is to add protection and security to the property. Typically, a shutter occupies a space between 200 and 500mm based on…
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