What is a common result of UV degradation in installation materials?

UV degradation in installation materials primarily results in weakened structural integrity. This occurs because ultraviolet (UV) radiation from sunlight can break down polymers and other materials used in construction, leading to a loss of strength and flexibility. As materials degrade, they may become brittle or crack, compromising their ability to provide adequate support and insulation in building applications.

Understanding this degradation process is crucial for maintaining the long-term performance of air barrier systems and other building components. Proper selection of UV-resistant materials and protective measures can help mitigate these effects and extend the lifespan of installations, ensuring that structural integrity remains intact throughout the lifetime of the building.

While other options might seem plausible in a different context, they do not align with the known effects of UV exposure on materials used in air barriers. The outcome of improved durability or enhanced thermal insulation is not associated with UV degradation, as the reverse — weakening of materials — is the prominent issue. Lower tensile strength could be an indirect consequence, but it is the loss of structural integrity that directly characterizes the problem associated with UV damage.