S-1530 Thinline Step Blade
1.5″ Deep Thinline Step Blade series; extruded aluminum construction; frame with channel profile; corner joints mitered and mechanically fastened, with continuous recessed caulking channel each side; intermediate mullions matching frame; gutters; rated for air performance, tested.
AIRFLOW PERFORMANCE
Free Area is: 49% based on a test sample of 48in (1220mm) x 48in (1220mm) Discharge loss coefficient Classification—Class 3 Pressure Drop @ 2.5 m/s Face Velocity—9 Pa
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S-1530 Thinline Step Blade
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