Nate Core Practice Test 2025 – Comprehensive Exam Prep

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What is the effect of thermal bridging in insulation?

It improves the insulation's performance

It creates a path for heat to bypass insulation, reducing effectiveness

Thermal bridging occurs when a material that is a better conductor of heat than the surrounding insulation creates a pathway for heat transfer. This phenomenon is significant in building design because it allows heat to bypass the insulation layer, leading to increased heat loss in the winter or heat gain in the summer. Consequently, the overall effectiveness of the insulation is diminished, impacting energy efficiency and potentially leading to increased energy costs for heating or cooling.

When thermal bridging occurs, areas of a structure, such as around windows, doors, or framing materials, can become cold or hot spots, which can also affect the comfort levels within the indoor environment. This highlights the importance of considering thermal bridging when planning insulation strategies to ensure optimal energy performance in buildings.

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It increases humidity levels within the insulation

It primarily affects vapor barriers

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