Steel Doors

Astro Building Products is your source for Steel doors. Steel doors offer economical, safe, and durable options for your entryway.

Astro Building Products is conveniently located in Traverse City. Contact us to learn more about our steel 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.




Fire-Rated Doors

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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.