Can I keep my old window trim if I put in shutters? Absolutely! There’s a reason to take out or alter your existing window trim when putting in new plantation shutters. Natural Ovation wood shutters and patented Polywood shutters are offered in an array of frame styles to fit naturally into your existing window trim. If your windows are trimless, we offer frame styles to install directly onto the drywall around your window to secure your beautiful new shutters to your window opening.Your Sunburst Shutters installation team will measure each of your house’s windows during your free in-home consultation to ensure that your window trim is perfectly complemented by the frame of your new shutters.