Roller shutters are devices that can be used to protect windows and doorways from unauthorized penetration into the room. Practice has shown that roller shutters protect much better than steel gratings. In this regard, we recommend read the self-assembly instructions shutters.
Installation of roller shutters on windows is as follows:
This video shows the installation process for roller shutters from DoorHan.
The first part of the video:
The second part of the video: