Can I keep my existing window trim when I install shutters? Yes! There’s almost never a need to get rid of or make alterations to your old window trim when installing new plantation shutters. Natural Ovation wood shutters and deluxe Polywood shutters are available in a variety of frame styles to fit seamlessly into your current window trim. If your windows are trimless, we offer frame styles to install right onto the drywall around your window to secure your gorgeous new shutters to your window opening.Your shutter installation crew will measure each of your house’s windows during your complimentary in-home consultation to ensure that your new shutters will fit seamlessly with your window trim.