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Thermal Efficiency Gains with Double- and Triple-Layer Doors
Thermal Efficiency Gains with Double- and Triple-Layer Doors A garage door is one of the largest, thinnest surfaces in a home’s envelope, and in many houses it’s also the weakest point for heat loss and heat gain. Upgrading to double- or triple-layer doors can significantly improve thermal efficiency, enhance comfort, and trim utility bills—especially when the garage is attached or used as a workspace. This post explains why layered door construction matters, how R-