As residential architecture becomes more innovative and exciting, so does the need for replacement windows that are not merely rectangular in shape. Unusual window shapes are an integral part of dramatic and interesting architecture. Cathedral ceilings, unique rooflines and roof shapes have become expected elements of home design. They are also high on the wish list of many remodeling projects. Now, all the features and benefits found in Quantum2’s basic shapes are available in a seemingly endless combination of angled and curved windows.