but the exterior shells are very different. Unlike the classic solid wood door, both steel and fiberglass doors are constructed in layers. Both of them typically start with a core of either wood ...

"It's not going to warp, rot or crack like a wood door. It will stand the test of time," Solarik said. Founded in 1962, Therma-Tru helped pioneer the fiberglass entry door industry. The company ...

However, if a subject fiberglass door panel or sidelite is imported in a pre-hung door system or entry door system, only the fiberglass door panel and sidelite are covered by the scope.