Some softer materials are inedible but still provide pathways for insects.
Due to its hardness, vermin and insects will not bore through concrete.
With only a few exceptions, their appearance changed very little after more than 40 years of exposure to bright sun-light, wind, snow, acid rain, freezing and thawing, hot summers, and cold winters (PCA No.
2101)High Humidity and Wind-Driven Rain: Concrete is resistant to wind-driven rain and moist outdoor air in hot and humid climates because it is impermeable to air infiltration and wind-driven rain.
Gaps in exterior insulation to expose the concrete can provide access for termite inspectors.