Am I able to keep my existing window trim if I install shutters? Yes! There’s rarely a reason to take out or alter your existing window trim when you buy new plantation shutters. Natural Ovation wood shutters and deluxe Polywood shutters can be customized with a variety of frame styles to fit seamlessly into your existing window trim. If your windows don’t have trim, we also have frame styles available to install directly onto the wall around your window to fix your stunning new shutters to your window opening.Your installer will measure each of your home’s windows during your free in-home consultation to ensure that your window trim is perfectly complemented by the frame of your new window treatment.