Andersen Windows and Doors sells replacement window grilles. Pella is another retailer that has replacement window grilles available to the public.
Other places where customers can find window grilles include eBay and local auctions. Craigslist and the classified ads found in local newspapers are additional places where people can search for window grilles.
Window grilles typically are made from wood, vinyl or fiberglass. The selection varies depending on the retailer and they all feature a different style. The prices also vary. Customers can choose pre-made grilles or they can opt to have them custom-made to fit their exact decorating taste.