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Pottorff > Louvers and Architectural > Louvers and Architectural > Formed Metal > SFD-445

Model SFD-445

Galvannealed Steel Louver
4" Deep - 45 Degree Drainable Blade

The SFD-445 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 SFD-445 is available in a wide array of painted finishes including custom color matching.

SFD-445 4" Deep - 45 Degree Drainable Blade

Standard Construction

Material: Galvannealed steel.

Frames: 4" deep x 20 ga. thick (102 x 1) channel.

Blades: 45o 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" x 12" (305 x 305)

Maximum Size:
Single Section: 48" x 96" (1219 x 2438)
Multiple Section: Unlimited


Free Area: 8.5 ft2 (0.79 m2)


Performance @ Beginning Point of Water Penetration

Free Area Velocity: 715 fpm (3.63 m/s)

Air Volume Delivered: 6092 cfm (2.88 m3/s)

Pressure Loss: 0.11 in. wg. (27 Pa)


Velocity @ 0.15 in. wg. Pressure Loss: 850 fpm (4.32 m/s)

Design Load: 30 psf


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