Can I keep my existing window trim when I install shutters? Yes! There’s almost never a need to remove or do work on your current window trim when putting in new plantation shutters. Natural Ovation wood shutters and premier Polywood shutters are available in an array of frame styles to fit easily into your existing window trim. If your windows have no trim, we offer frame styles to install directly onto the wall around your window to secure your beautiful new shutters to your window opening.Your shutter installer will measure each of your home’s windows during your free design consultation to make sure that your window trim is beautifully complemented by the frame of your new window treatment.