Aluminum Louver protects against penetration of wind-driven rain.

Press Release Summary:

With 42.9% free area, ECV-445 is constructed of extruded aluminum and protects against penetration of wind-driven rain under severe conditions. This 4 in. deep, 45° vertical blade louver is CLASS A rated at 50 mph Wind-Driven Rain 500-L as well as AMCA-certified for Air Performance, Wind-Driven Rain, and Water Penetration. Various anodized and painted finishes, including custom color matching, are available.

Original Press Release:

Pottorff ECV-445 Wind-Driven Rain Louver Offers Increased Performance and Lower Cost

Fort Worth, TX –Pottorff has released its AMCA certified, 4-inch model ECV-445 vertical blade, wind-driven rain louver. The ECV-445 offers exceptional protection against wind-driven rain under the most severe conditions and is ideally suited for high-wind areas that are sensitive to wind-driven rain penetration. The ECV-445 has an improved Free Area at 42.9% and is CLASS A rated at 50 mph Wind-Driven Rain 500-L. It is AMCA certified for Air Performance, Wind-Driven Rain and now Water Penetration, and it costs up to 50% less than the previous model.

Pottorff, based in Fort Worth, Texas, is a leading manufacturer of air control and back-draft dampers, UL rated fire, smoke and ceiling radiation dampers, steel and extruded aluminum louvers and penthouses, access doors and panels, actuators and accessories and noise control products.  For more information about the company, go to

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