ThermaTru designed its Fiber Classic Mahogany Collection 3-Panel Door Style to meet demand for a fiberglass product with a hardwood-grain look and a polyurethane core. It’s Energy Star-qualified and is available as a solid or opaque unit. The door can be configured for 3/4-inch rectangular or oval lites, which come in 17 decorative, four privacy and a clear, Low-E glass option. Fire- and impact-rated versions are available in solid styles. 800.537.8827.