Fiberglass Doors

Astro Building Products is your source for Fiberglass doors. Beautifully crafted, energy efficient, secure, and easy to maintain, fiberglass doors are a durable alternative to wood or steel.Contact us at one of our Astro Building Products locations, conveniently located in Traverse City and Alanson, to learn more about our fiberglass door products.

Therma Tru
Attention to detail and unparalleled performance are just a few of the reasons Therma-Tru doors are the industry standard in excellence and design.

American Style


Smooth Star

Fiber Oak

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Waudena Millwork
Waudena Millwork has become the recognized leader in the industry for providing only the highest quality products while providing a great value for your dollar. Using only American-made components, when available, in the construction of all of our doors.