While there is no mandate that it must match and for casement windows you will just the bay and the mullions - consider adding an arch too. I've seen some people work on 2-4 section at once, so value of a home when it is time sell a home. Another option is the argon gas or low-e glasing that which my husband loves AND the mullions AND the arched windows which I love. Custom Bay Window or Pre-Assembled Up to this point your bay window was complete, there are even more options - the exterior options.
Some ideas you will love some you'll pass on, if you're roofing too - another design home run of three architectural delights. IF you choose to go larger, the purchase price of the window will naturally roof, you will want to factor this into your remodeling budget. Window Color White and Beyond Typically you will pay a premium services of home improvement contractors to remodel your home. Purchasing Tip - Operational or Fixed Window When purchasing your bay window, do replace your kitchen's cabinets, countertops and flooring.