Model SD-635

Galvannealed Steel Louver
6" Deep - 35 Degree Drainable Blade

The SD-635 formed steel drainable blade louver is designed to prevent water penetration in non wind-driven-rain applications by collecting water in frame and blade gutters and channeling it into downspouts and away from airflow paths. The SD-635 is available in a wide array of painted finishes including custom color matching.

Standard Construction

Material: Galvannealed steel.
Frames: 6" deep x 20 ga. thick (152 x 1) channel.
Blades: 35^o x 20 ga. (1) thick drainable style.
Screen: 1/2" x 0.063" (12.7 x 1.6) expanded and flattened aluminum.
Mullion: Visible.
Minimum Size: 12" x12" (305 x305)
Maximum Size: Single Section: 48" x 96" (1219 x2438)
                           Multiple Section: Unlimited

Ratings

Free Area: 9.9 ft² (0.92 m²)

Performance @ Beginning Point of Water Penetration
Free Area Velocity: 815 fpm (4.14 m/s)
Air Volume Delivered: 8044 cfm (3.80 m³/s)
Pressure Loss: 0.08 in. wg. (20 Pa)

Velocity @ 0.15 in. wg. Pressure Loss: 1050 fpm (5.33 m/s)
Design Load: 30 psf