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How does marble’s acid sensitivity impact urban use?
Marble, a timeless and elegant natural stone, is widely used in urban landscapes for its aesthetic appeal. However, its sensitivity to acids poses significant challenges in city environments. When exposed to acid rain or pollutants, marble undergoes chemical reactions that cause etching, discoloration, and surface degradation. This compromises both its durability and visual charm, making it less ideal for high-traffic urban areas like sidewalks or facades.
To mitigate these effects, urban planners often opt for protective sealants or alternative materials in pollution-heavy zones. Regular maintenance, such as gentle cleaning with pH-neutral solutions, can also prolong marble’s lifespan. Despite its vulnerabilities, marble remains a popular choice for monuments and low-exposure applications, where its beauty outweighs its fragility. Understanding these limitations helps architects and designers make informed decisions for sustainable urban design.
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