2″ Deep High Performance Thinline 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 in accordance with AMCA 500-L.
AIRFLOW PERFORMANCE
: Free Area: 51% based on a sample of 48in(1220mm) x 48in(1220mm)