DucoWall Classic W 90S
Technical characteristics
| Louvre blade pitch | 105 mm |
| Blade depth | 94 mm |
| Depth to fit: | |
| 50/12 support mullions | 106 mm |
| 21/50 support mullions | 144 mm |
| 21/50 support mullions | 144 mm |
| Physical free area | 54 % |
| Maximum span between 2 support mullions | 1450 mm |
| Insect screen | Available as an option |
| Type of mullion | 50/12(light) 21/50(heavy) 50/50(heavy) |