ST-066-PERFO | Extruded dummy louvre with insect-repellent perforation (33 x 3 mm) and 66 mm pitch. Physical free area: 32%. Optional version without perforation available (ST-066-CLOSE). Material: aluminium EN AW 6063 T66, anodized (20 µm) or powder-coated (RAL, Sikkens, NCS, Interpon – 60–80 µm). Mounted with louvre holder ST-066-11/-12, pre-mounted on support profile. Technical data: depth 55 mm, height 76.5 mm, K-factor intake 16.52, visual free area 70%, max. span 2300 mm (qb 800 Pa).
3.7 
