203.6mm deep extruded aluminum construction; frame with channel profile; corner joints mitered and mechanically fastened, with continuous recessed caulking channel each side; intermediate mullions matching frames; gutters rated for water penetration maintained effectiveness rate tested in accordance with AMCA 500-L. The sand louver blades are capable of long vertical spans, tested for sand rejection as per EN 13181:2001 standards and air performance as per AMCA 500-L standards. Moreover, horizontal louver is tested for air flow & water penetration as per AMCA-500L standards.
SA-440V sand louver is tested as per AMCA 500-L99 for pressure drop.
Horizontal louver is tested as per AMCA 500L standards for air flow & water penetration performance.
SA-440-HP combination louver is tested for sand rejection performance as per BS EN13181:2001, subjected to wind driven sand at an airflow speed of 20-25 m/s.