Masonite. Replicating the look of hardwood without the maintenance and cost, Avant- Guard entry doors now come in a cherry finish. A digital printing process applies the appearance of the selected wood species, such as cherry, Spanish cedar, or black walnut, to pre-textured fiberglass doors. The doors are finished with an automotive-style coating offering five years of maintenance-free use, the maker says. 800.895.2723.