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Therma-Tru is the nation’s leading manufacturer and most preferred brand of entryway doors. Founded in 1962, Therma-Tru pioneered the fiberglass entry door industry, and today offers a complete portfolio of entry and patio door system solutions, including decorative glass doorlites, sidelites and transoms, and door components. Headquartered in Maumee, Ohio, Therma-Tru is part of Fortune Brands Home & Security (NYSE: FBHS) and has its primary manufacturing facility in Butler, Indiana.

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Kathleen Ziprik
Butler, Indiana


  • Classic-Craft fiberglass door products
  • Fiber-Classic fiberglass door products
  • Decorative Glass and Privacy Glass doorlites and sidelites
  • Patio Doors
  • Tru-Defense door systems
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