Cornices Sample: Order a sample, it is the easiest way to find out what works best for you and your home. Made of virtually indestructible high density urethane our cornice is cast from steel molds guaranteeing the highest quality on the market. High precision steel molds provide a higher quality pattern consistency, design clarity and overall strength. Lightweight they are easily installed with no special skills. Unlike plaster or wood urethane is resistant to cracking, warping or peeling. Factory primed our cornice is ready for finishing. Samples approximately measure one third to one fourth the length of the original cornice.