Model SJ-445

Galvannealed Steel Louver
4' Deep - 45 Degree J-Blade

The SJ-445 formed steel louver is designed for intake and exhaust application where protection against water infiltration is not critical. The SJ-445 is available in a wide array of painted finishes including custom color matching.

Standard Construction

Material: Galvannealed steel.
Frames: 4" deep x 20 ga. thick (102 x 1) channel.
Blades: 45^o x 20 ga. (1) thick J style.
Screen: 1/2" x 0.063" (12.7 x 1.6) expanded and flattened aluminum.
Mullion: Visible.
Minimum Size: 12" x 12" (305 x 305)
Maximum Size: Single Section: 48" x 96" (1219 x 2438)
                           Multiple Section: Unlimited

Ratings

Free Area: 7.7 ft² (0.72 m²)

Performance @ Beginning Point of Water Penetration
Free Area Velocity: 775 fpm (3.94 m/s)
Air Volume Delivered: 5991 cfm (2.83 m³/s)
Pressure Loss: 0.13 in. wg. (32 Pa)

Velocity @ 0.15 in. wg. Pressure Loss: 840 fpm (4.26 m/s)
Design Load: 30 psf