What are the effects of de-icing salts on concrete bench surfaces?
De-icing salts, commonly used during winter to melt ice, can have detrimental effects on concrete bench surfaces. These salts accelerate corrosion by penetrating the porous concrete, leading to cracking, spalling, and surface deterioration over time. The freeze-thaw cycle exacerbates the damage as water seeps into cracks, expands when frozen, and weakens the structure. Additionally, salt residues can cause discoloration and aesthetic degradation. To mitigate these effects, consider using alternative de-icing methods like sand or calcium magnesium acetate, or apply a sealant to protect the concrete. Regular cleaning and prompt repairs can also extend the lifespan of concrete benches exposed to salts.