Florida Flange is a large exterior fin, used on windows in concrete applications with block openings. The Florida Flange is attached to the wooden framework or buck, and sealed to the masonry wall. This is done to conceal the existing frame and to give a clean finished look. As the name suggests, Florida Flange is widely popular in Florida due to their materials commonly used in building, and common installation practices. It is commonly referred to as “flush fin” due to the flat finned finished look. Florida Flange is available on both our S-Series and OceanView impact-resistant product lines.