Extruded Aluminum Louver
6" Deep - 37-1/2 Degree Horizontal Blade
The EFD-637-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 #21-1122.02). Constructed from 6063-T5 extruded aluminum the EFD-637-MD’s design accommodates installations of unlimited width or height and single section assemblies up to 48" × 144" (1219 × 3658). Specially designed water resistant seam covers further enhance performance and aesthetics of this industry leading product.
Material: Mill finish 6063-T5 extruded aluminum.
Frames: 6" deep x 0.125" thick (152 x 3) channel.
Blades: 37-1/2o x 0.081" (2) thick horizontal 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 144" (1219 x 3658)
Multiple Section: Unlimited width x 144" (3658) or 48" (1219) x unlimited height
Free Area: 8.7 ft2 (0.81 m2)
Performance @ Beginning Point of Water Penetration
Free Area Velocity: 1100 fpm (5.59 m/s)
Air Volume Delivered: 9600 cfm (4.53 m3/s)
Pressure Loss: 0.14 in. wg. (35 Pa)
Velocity @ 0.15 in. wg. Pressure Loss: 1139 fpm (5.78 m/s)
Design Load: 150 psf
AMCA Certified for Water Penetration and Air Performance
Miami-Dade County approved: NOA No. 21-1122.02
Florida Building Code approved (2020-FBC): No. FL12655
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