Masonite? molded panel interior doors are the industry benchmark for all composite wood doors. These doors utilize a composite wood construction that results in a more durable door- resisting warping- shrinking and cracking better than a solid wood door. Masonite molded panel doors come primed and ready for painting with a textured finish and are available in hollow core. The door facings are constructed with by-product wood chips reflecting Masonite's commitment to environmental excellence.