The Roll Up curtain system, in terms of natural ventilation, is one of the the most common and popular system since its easy operate and control, less maintenance.
The sidewall opening can be up to 4 meter which is then split into two systems with each opening having a curtain that is permanently fastened along the top; or it can be used of double rolling from the bottom which wraps the fabric around it as it travels up underneath the centre.
There are a number of variations. Each curtain can...