Roll curtain That's things rolled up and tidy again The Roll Curtain has been rolled-up on a tube when it is in open position. The ventilation curtain can be opened or closed manually, semi-automatically as well as fully automatically (by means of a weather station). If you wish, the ventilation opening can be fitted with a windbreak mesh or a (protective) bird netting. The curtain is available in the colours green and grey as well as in a translucent version. Your benefits at a glance: The curtain is rolled-up on an aluminium tube The aluminium tube is fixed to the wall with bearings, this keeps the curtain straight The roller tube is fixed to the wall with bearings and thus not variable in height The ventilation system looks very tight and finished off nicely with solid materials The curtain hardly flaps in the wind, it is thus less prone to damage