What is a crucial factor that affects frost protection in construction?

The crucial factor affecting frost protection in construction is the distance from the foundation corner. This aspect is significant because frost depth in the ground varies based not only on geographical location but also on specific points around the foundation. Areas closer to the corners of a foundation may experience more significant temperature fluctuations, leading to deeper frost penetration compared to areas further away.

Foundations play a vital role in mitigating the effects of frost. Hence, understanding that frost can extend deeper near corners is essential for ensuring adequate protection against heaving and damage. This highlights the importance of considering the specific conditions around each foundation corner when designing for frost protection.

While wall material, foundation depth, and insulation type are all important in terms of overall building performance and energy efficiency, the distance from the foundation corner directly impacts how frost may accumulate and affect the foundation. Inspectors must pay careful attention to this factor in assessing and planning for proper frost protection measures.