Batten avv. (rolling batten)

From Opera Wiki

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.