With bay and bow windows, you can expand your view and bring in more natural light, even if you have a small amount of wall space. From our vinyl, fiberglass or wood options, you’re able to find various combinations. Or, you can tailor your bay or bow window with various angles and sizes. Bay windows are usually comprised of three windows: a fixed window with your pick of venting windows on both sides. These windows form a 30- or 45-degree curve, depending on the style you like most.