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

At a time when home owners are increasingly turning to the high energy efficiency of fiberglass doors, ongoing research at Therma-Tru’s Advanced Technology Center in Edgerton, Ohio, has found that its fiberglass doors offer thermal efficiency that is three to seven times greater than traditional 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.”

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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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