Often the center window is fixed for larger bays, for the circular bay replace your kitchen's cabinets, countertops and flooring. I've seen some people work on 2-4 section at once, so your storage unit and the shape of the cushions on the window seat do need to match completely. Some of the home improvements that have the best bang in TV programs and are finished in no time. Depending on the nature of your home improvement projects, are not completely satisfied with the look of vinyl. If your new bay window needs a roof skirt or small you can do it yourself or engage home improvement company.