Prefabricated bay windows

Custom Learn. Specialty Learn. Shop All Windows. Fiberglass Pella Impervia. Window Inspiration Windows by Color. Windows by Style. Windows by Room. Sliding Patio Door Buy Learn. Bifold Patio Door Learn. Multi-Slide Patio Door Learn. Shop Patio Doors. Patio Door Inspiration By Style. By Color. By Room. Exploring options for a new front door? Get started by understanding the basics. Solid Wood Door Learn.

Fiberglass Door with Glass Buy Learn. Solid Fiberglass Door Buy Learn. Solid Steel Learn. Shop All Front Doors. Front Door Materials Wood. Front Door Inspiration By Color. By Style. Energy Efficiency Efficient windows and doors can reduce your utility bill and add comfort to your home. The Pella Difference Find out how we go beyond what meets the eye to deliver inspired innovations and exceptional detail. For Professionals Architects. Commercial Professionals. Replacement Contractors.

Product Downloads Find product design and performance information, BIM files and architectural specifications as you explore our windows, patio doors and entry doors. Commercial Projects See our commercial capabilities in new construction and remodel case studies. Bay or Bow Windows. What is a Bay or Bow Window? Explore product lines, inspiration and advice for bay and bow windows below. Bay windows are also known as: bow windows, box bay windows, oriel windows Bow windows are also known as: compass windows, curved windows.

Please try expanding your search. Bay and Bow Window Projects Browse through our projects to view our windows used in real life and see the difference a new window can make on your home. Frequently Asked Questions. See all FAQs. Bay windows must be properly supported by knee brackets, overhead support cables, existing structures, or by other appropriate means. The weight of the Bow or Bay window must be transferred to a structural member capable of supporting the weight.

Failure to properly support Bow and Bay windows may void the product warranty. Minimum width of any operable casement section is 13" ; maximum is 36". Overall casement component size limitations are as they appear on the Westview Casement window price list.

Top head , bottom seat , and jambs are furnished with bows and bays. Roof is furnished by others. Use total unit area and not glass area only to compute optional glass add on pricing. Please see catalog section 22 for add on glazing options and pricing. Jamb or wall thickness 4" minimum Projection Distance from outside wall surface to exterior front of bow or bay Unit depth Wall thickness plus projection Number of lites bows only Number and location of vents Grid or no grid Type of glass See catalog section 22 for add on glazing options and pricing.

Type of screen Aluminum wire is standard. See catalog section 22 for screen options. Casement operators are located toward the inside of the Box Bay Window. The roof is furnished by others. The outside width of the Box Bay Window will measure 5" greater than the window opening dimension.