In designing a range of new acoustic louvres, the fact that the design of acoustic louvres had not materially altered in terms of construction and materials of the last 30+ years , prompted us to look for a fresh approach. To read in full- QEF Acoustic Louvre Design Features
QEF AC100 Single Bank Acoustic Louvre, extruded aluminium louvre blades, polyester fill, mounted on mullion/clip support system. Rw 9 Rating.
QEF AC 150 Vertical Aligned Double Bank Acoustic Louvres, the louvre blades are aligned vertically to achieve a higher weathering classification whilst retaining the same acoustic and airflow characteristics. Rw 17 Rating.