An effective ventilation system in a roof can help prevent which of the following issues?

An effective ventilation system in a roof plays a crucial role in maintaining a balanced environment within the attic and the overall roofing structure. One of its primary functions is to control attic heat build-up, which can lead to increased energy costs and the potential for damage to insulation and roofing materials.

When warm air accumulates in the attic during colder months, it can cause snow on the roof to melt, resulting in water that can refreeze at the eaves, creating ice dams. These ice dams can trap water under roofing materials, leading to leaks and structural issues over time. By allowing for proper airflow, an effective ventilation system mitigates the risk of both attic heat build-up and ice dam formation, helping to preserve the integrity of the roof and prevent costly repairs.

In contrast, other answer choices, while related to roofing concerns, do not directly correspond to the specific benefits provided by a ventilation system. For example, structural damage can arise from various issues beyond just ventilation, and while water pooling and rust can be problems in roofing, they may not be directly addressed by ventilation alone. Weather infiltration is more related to the integrity of roofing materials and installation practices than ventilation. Hence, the ventilation system's primary focus remains on controlling temperature and moisture effectively to prevent heat