ST-150-ACS (34%) – Extruded aluminium louvre profile. Trapezoidal profile with 150 mm pitch. Louvres filled with inorganic mineral wool for sound absorption. Optional laser-cut aluminium end caps in louvre colour. Material: aluminium extrusion EN AW 6063 T66. Finish: anodised (20µm) or powder coated in RAL, NCS, Sikkens or Interpon colours (60–80µm). Acoustics: Rw(C;Ctr) = 11 (-1;-2) dB. Louvre holder: type ST-150-ACS-11, pre-mounted on carrier profile. Technical data: pitch 150 mm. Depth 147 mm. Height 239 mm. Physical free area 34.3%. Visual free area 54%. Intake K-factor 27.4. Maximum span 2800 mm at wind load qb 800 Pa.
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