Roller Shutter Door – Protect Your Business After Hours
A roller shutter door is made of a hinged system of panels or bars. These bars or panels are quite long horizontally, but the vertical height is way shorter in proportion. A series of many bars or panels are hinged together to create doors which are opened by elevating them overhead. On the inside of the buildings (above the doors), sit boxes that hold the rolled up panels. Generally, these boxes are visible, although within the cases of stores and…