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What are the effects of bird droppings on stone surfaces?
Bird droppings can have significant detrimental effects on stone surfaces, both aesthetically and structurally. The acidic nature of bird excrement, primarily due to uric acid, can corrode and etch stone materials over time. This leads to discoloration, surface roughness, and even weakening of the stone's integrity, especially in porous varieties like limestone or marble.
In addition to chemical damage, bird droppings can also promote biological growth, such as algae and fungi, which further degrade the stone. Regular cleaning is essential to prevent long-term harm. Use pH-neutral cleaners and soft brushes to avoid scratching the surface. For severe cases, professional stone restoration may be required.
Preventive measures include installing bird deterrents like spikes or nets, applying protective sealants to reduce porosity, and scheduling routine maintenance. By addressing the issue promptly, you can preserve the beauty and durability of stone surfaces for years to come.
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