Will I be able to keep my existing window trim when I put in shutters? Yes! There’s a reason to take out or alter your old window trim when putting in new plantation shutters. Natural Ovation wood shutters and premier Polywood shutters are offered in a variety of frame styles to fit seamlessly 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 fix your stunning new shutters to your window opening.Your shutter installation crew will measure each of your house’s windows during your free in-home consultation to make sure that your new shutters will fit seamlessly with your window trim.