Am I able to keep my old window trim when I install shutters? Yes! There’s seldom a need to take out or alter your current window trim when you buy new plantation shutters. Natural Ovation wood shutters and premier Polywood shutters can be customized with an array of frame styles to fit seamlessly into your existing window trim. If your windows have no trim, we offer frame styles to install right onto the wall around your window to fix your gorgeous new shutters to your window opening.Your shutter installer will measure each of your house’s windows during your free design consultation to make sure that your window trim is beautifully complemented by the frame of your new window treatment.