Bring the performance of fiberglass to your home with the St. Louis 1/2-Lite Glass Prehung Fiberglass Exterior Door in Dark Mahogany finish. Engineered to last a lifetime, these high-performance doors feature high-definition profiles for added architectural interest. Prefinished, ready for installation, and expertly engineered not to rust or dent. Includes frame, hinges, weatherstripping, sweep, and threshold, and the retrofit replacement size makes it easy to swap out your door.