Am I able to keep my old window trim when I install shutters? Yes! There’s a need to remove or make alterations to your old window trim when you buy new plantation shutters. Natural Ovation wood shutters and premier Polywood shutters can be customized with a variety of frame styles to fit seamlessly into your existing window trim. If your windows are trimless, we offer frame styles to install directly onto the drywall around your window to fix your gorgeous new shutters to your window opening.Your shutter installer will measure each of your individual windows during your complimentary in-home consultation to ensure that your new shutters will fit perfectly with your window trim.