Installation type
External winding No. 3 under the lintel with drilling at the bottom of the tracks
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Installation No. 3 is the most common installation of a roller shutter, with the aluminum curtain that goes down in front of your window and the box that goes outside.
(Winding outwards).
The tracks are pre-drilled at the bottom of the track, so that they can be fixed to the right and left in your window frames.
