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How does concrete’s permeability compare to natural stone?
Concrete and natural stone are widely used in construction, but their permeability differs significantly. Concrete is generally more porous than dense natural stones like granite or basalt, allowing higher water absorption. However, permeability varies based on concrete mix design—adding admixtures or using low-water ratios can reduce porosity.
Natural stone’s permeability depends on its type. For example, limestone is more absorbent than slate or quartzite. Stones with low permeability, like granite, resist water penetration better than standard concrete, making them ideal for wet environments.
In applications like flooring or facades, understanding permeability is crucial. While concrete can be treated for lower absorption, natural stone often provides inherent durability with minimal maintenance. Choosing between them depends on project requirements, climate, and long-term performance needs.
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