Am I able to keep my old window trim if I install shutters? Yes! There’s seldom a reason to get rid of or alter your old window trim when putting in new plantation shutters. Natural Ovation wood shutters and patented Polywood shutters can be customized with a variety of frame styles to fit seamlessly into your current window trim. If your windows don’t have trim, you can choose a specific frame style to install right onto the wall around your window to fix your stunning new shutters to your window opening.Your shutter installation team will measure each of your house’s windows during your free in-home consultation to ensure that your new shutters will fit perfectly with your window trim.