In 1983, Therma-Tru® created the first fiberglass door on the market that looked as beautiful as wood, but was more durable. They are based out of Toledo, Ohio. Air-Tite Replacement likes to use the Therma-Tru® brand because they off many styles.
Therma-Tru® offers entry doors in steel or fiberglass. Their steel and fiberglass doors are available in a paintable smooth finish and their wood-grained fiberglass doors come in a couple of grain patterns that are suitable for staining or painting. They offer a large choice of hinge colors and a wide variety of decorative glass patterns and styles with varying levels of privacy.