ventilation slots
when ventilation is important.
Lüftungsschlitze
The double-walled profile 1.100 D and all single-walled roller shutter profiles can be equipped with ventilation slots.
(not recommended at 1.1440)
when ventilation is important.
The double-walled profile 1.100 D and all single-walled roller shutter profiles can be equipped with ventilation slots.
(not recommended at 1.1440)