| 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. This feature is solely for educational and informational purposes. Nothing on this page should be construed as policy, an endorsement, warranty or guaranty by the National Association of Home Builders of the featured product or the product manufacturer. The National Association of Home Builders expressly disclaims any responsibility for any damages arising from the use, application or reliance on any information contained on this page. |