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Pottorff > Louvers and Penthouses > Louvers and Architectural > Hurricane Rated > EFD-635-MD

Model EFD-635-MD

Extruded Aluminum Louver
6" Deep - 35 Degree Horizontal Blade

The EFD-635-MD is engineered and tested to withstand extreme loads, debris impact and cyclic fatigue failure associated with the severe weather effects of hurricanes (Miami-Dade County approval #23-0411.02). The EFD-635-MD is AMCA 540 listed making it ideally suited for use in hurricane-prone and wind-borne debris regions as per the International Building Code.

EFD-635-MD 6" Deep - 35 Degree Horizontal Blade

Standard Construction

Material: Mill finish 6063-T5 extruded aluminum.

Frames: 6" deep x 0.081" thick (152 x 2) channel.

Blades: 35o x 0.081" (2) thick drainable style.

Screen: 1/2" x 0.063" (12.7 x 1.6) expanded and flattened aluminum.

Mullion: Visible.

Installation Hardware: Continuous angles

Minimum Size: 8" x 8" (203 x 203)

Maximum Size:
Single Section: 60" x 120" (1524 x 3048) 
Multiple Section: 60" (1524) width x unlimited height, or unlimited width x 120" (3048) height



Free Area: 9.7 ft2 (0.901 m2)


Performance @ Beginning Point of Water Penetration

Free Area Velocity: 1250 fpm (6.35 m/s)

Air Volume Delivered: 12175 cfm (5.75 m3/s)

Pressure Loss: 0.20 in. wg. (50 Pa)


Velocity @ 0.15 in. wg. Pressure Loss: 1081 fpm (5.49 m/s)

Design Load: 150 psf

AMCA Certified for Water Penetration and Air Performance
AMCA 540 (Impact Resistant, Basic Protection - Level D and Enhanced Protection - Level E) Listed
Miami-Dade County approved: NOA No. 23-0411.02
Florida Building Code approved (2020-FBC): No. FL42147

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