Introducing the Greenheck AFL-601 Wind-Driven Rain FEMA Louver

Engineered for excellence in extreme weather conditions, our latest wind-driven rain FEMA louver sets a new standard in environmental resistance. With a free area of 43.6% in a 4 ft. x 4 ft. configuration, it offers the highest free area ratio in its class, ensuring optimal airflow while maintaining strong defense against severe weather.

The AFL-601 is not just another FEMA louver; it's a comprehensive solution designed to meet rigorous wind-driven rain mitigation requirements without compromising on efficiency or structural integrity.

Elevate your project specifications with the AFL-601. Learn more about its advanced features and how it can contribute to your architectural projects.

Model AFL-601 is an all-in-one wind-driven rain FEMA dual-module with horizontal front blades and vertical rear blades designed to protect air intake and exhaust ventilation openings on FEMA 361/320 storm shelters or safe rooms. It is tested in accordance with the stringent ICC 500 (2020 & 2023) test standard and is UL Listed. AFL-601 is AMCA 540 Listed for Wind-Borne Debris Impact and AMCA 550 Listed for High-Velocity Wind-Driven Rain.

• 6-inch depth

• 43.6% free area (4 ft. x 4 ft.)

• 1250 fpm free area velocity at the beginning point of water penetration

• Class A Wind-Driven Rain Performance

• Patent pending

Certifications:

AMCA 500-L Water Penetration, Air Performance, and Wind-Driven Rain

AMCA 540 Test Method for Louvers Impacted by Wind-Borne Debris (Basic Protection, Missile D and Enhanced Protection, Missile E)

Tested in accordance with ICC 500 (2020 & 2023)

AMCA 550 High Velocity Wind Driven Rain