The Signature® Carriage Collection wood garage doors model 580D were selected with the finest materials to ensure many years of reliable performance. Hemlock makes a superb painting surface, Cedar is an exceptional exterior grade material, highly resistant to rot and insects, and Mahogany has a tight smooth grain and is naturally weather resistant. The result is a fine quality, beautiful wood door that will yield many years of dependable operation. This garage door showcases refined craftsmanship, unmatched quality and pure elegance.