Bow and Bay Windows — Added Value, Added Space ProStar fusion welded bow and bay windows offer maintenance free, rigid vinyl construction at an affordable price. All ProStar windows add value to your home, but our line of custom built bow and bay windows also add valuable living space.
Bay Windows ProStar Bay Windows can be built at 30 or 45 degree angles. These angles determine how much extra space you gain by controlling how far the window projects. Choose between casement or double-hung flanker (operating) window styles.
Bow Windows ProStar Bow Window angles and projection are determined by the window width and the number of lites requested by the owner. Flanker (operating) windows are casement style.
Regardless of your model choice, all ProStar Windows meet or exceed ENERGY STAR® standards. ENERGY STAR was created to help consumers easily identify products, homes and buildings that save energy and money and help protect the environment. The ENERGY STAR label identifies highly efficient products and designates superior energy performance in homes and buildings.