Fypon 8 in. x 11 in. Polyurethane Keystone Fits 9 in. and 10 in. Window and Door Crossheads

Fypon keystones are the perfect finishing touch for crossheads of all sizes. Not only do our keystones cover seams, but they add flawless classic style. With quick and easy installation and staining or painting a desired color, you are a few easy steps away from a custom look for your home. Combined with low-maintenance polyurethane, Fypon keystones resist insects, moisture, and weather allowing you to maintain lifelong style for your home.