Am I able to keep my old window trim if I install shutters? Absolutely! There’s almost never a need to remove or make alterations to your existing window trim when you buy new plantation shutters. Natural Ovation wood shutters and deluxe Polywood shutters are available in an array of frame styles to fit easily into your existing window trim. If your windows have no trim, we offer frame styles to install directly onto the drywall around your window to fix your beautiful 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.