Authentic Window Design features Therma-Tru, the leader in fiberglass exterior doors. Available at our showroom, Therma-Tru combines timeless beauty with unmatched durability, offering styles to complement your home. 

Therma-Tru is the trusted leader in fiberglass exterior doors, redefining the standard for beauty, performance, and durability. Homeowners no longer have to choose between style and strength, Therma-Tru doors deliver both. Available in many designs to complement virtually any architectural style, Therma-Tru doors can be stained for the authentic look of natural wood. At Authentic Window Design, you can see firsthand the craftsmanship and attention to detail that sets Therma-Tru apart.

As the industry’s leading name in door systems, Therma-Tru offers thousands of design possibilities, from striking entry doors to sidelights and transoms that transform a simple entrance into a stunning focal point. Each collection combines reliable performance with timeless appeal, giving your home the curb appeal it deserves.