How-To Maintain a Fiberglass Door

Therma-Tru provides a tutorial about inspecting certain areas on and around the fiberglass door unit. Inspecting the door unit does not require any additional tools; however, this is a good time to clean the surface of the door. Feel free to contact Therma-Tru with any questions or concerns about maintaining a door unit.

Updated on May 15, 2021

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