AC-860
8” ACOUSTICAL Louver
8″ deep fixed blade; extruded aluminum construction; frame with channel profile and mechanically fastened, with continuous recessed caulking channel each side; rated for an air performance and water penetration maintained effectiveness rate tested in accordance with AMCA 500-L; tested to ASTM E90-09 for acoustical performance, STC-15 and OITC-11.
Roof
AIRFLOW PERFORMANCE
Free Area is 28% based on a test sample of 48in (1220mm) x 48in (1220mm)
Beginning point of water penetration (@0.01oz / ft² of free area) – 1,025 fpm (5.2 m/s)
Intake pressure drop at beginning point of water penetration—0.12 in. wg (30 Pa)
Intake pressure drop @ 1,000 fpm free area velocity—0.12 in. wg (30 Pa)
Discharge loss coefficient Classification—Class 3
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