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Fiberglass Doors Found to Be More Energy-Efficient Than Wood Doors

Headquartered in Maumee, OH, for more than 40 years, Therma-Tru is a member of the National Council of the Housing Industry — the Supplier 100 of NAHB.

“The structural integrity that prevents Therma-Tru fiberglass doors from rotting, ;warping or cracking is an undeniable advantage in terms of thermal transmission,” said Dan Templeton, the company’s vice president of technology. “The long-term energy and aaesthetic advantages of fiberglass far outstrip those of wood when it comes to entry doors.”

Therma-Tru reports that its research has found superior thermal performance in fiberglass doors, especially when coupled with quality installation and weather stripping.

By contrast, typical six-panel wood doors performed less favorably, Therma-Tru found.

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