McGill Louvers are quality designed and offer superior performance. Our louvers range in function from basic requirements such as standard, drainable and sight-poof to special requirements such as wind-driven rain and acoustic. To ensure aesthetic satisfaction, our louvers are available in a variety of materials including extruded aluminum, copper, steel and stainless steel, as well as a multitude of finishes. We also offer a variety of shapes from triangle and round to custom creations.