Can I keep my existing window trim if I install shutters? Absolutely! There’s almost never a need to get rid of or alter your existing window trim when installing new plantation shutters. Natural Ovation wood shutters and premier Polywood shutters are available in an array of frame styles to fit easily into your current window trim. If your windows are trimless, you can choose a specific frame style to install right onto the drywall around your window to secure your gorgeous new shutters to your window opening.Your installer will measure each of your home’s windows during your complimentary design consultation to ensure that your window trim is tastefully complemented by the frame of your new shutters.