Batten avv. (rolling batten)
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Roller shutter slat means the individual roller shutter profile but also the PVC roller shutter fabric counted per m2.
Entrata
This is the amount in mm of shutter that remains inside the box. File:Stecca3.png
Example of the entrance of the rolling slat
Step
It is the footprint value of the profile. This value should be taken on an assembled roller shutter. File:Stecca4.png
Example of rolling slat pitch
Minimum billing.
It is the square meter value of the minimum billable size.