Which factor can contribute to the deterioration of asbestos materials in buildings?

High humidity levels can significantly contribute to the deterioration of asbestos materials in buildings. Asbestos is a naturally occurring fibrous mineral that is highly resilient; however, excessive moisture can adversely affect its structural stability. High humidity can lead to mold growth, corrosion of surrounding materials, and can cause the asbestos fibers to become fragile or damaged. This deterioration not only compromises the asbestos material itself but also increases the risk of fiber release into the environment, potentially leading to health hazards.

In contrast, regular maintenance, a well-maintained structural integrity, and careful renovations are all factors that can mitigate the risk of deterioration. These practices can help preserve the condition of asbestos materials, ensuring they remain intact and less likely to release harmful fibers. Thus, while the other options may contribute positively to building upkeep, high humidity levels are a key environmental stressor that can accelerate the decline of asbestos-containing materials.