Energy Star-qualified Signet fiberglass doors offer the look of wood and more strength than other fiberglass doors, the maker says. The doors feature dovetailed hardwood stiles and rails and a 10-year finish warranty. Signet doors can be customized with different styles and finishes on either side, and ordered in 1/8-inch increments. ProVia | 877.389.0835 | signetdoors.com