How does concrete outdoor ottoman density affect frost resistance?

Concrete outdoor ottomans are popular for their durability and aesthetic appeal, but their performance in cold climates largely depends on density. Higher-density concrete offers superior frost resistance by minimizing water absorption, which is a key factor in freeze-thaw damage. When water penetrates porous concrete and freezes, it expands, causing cracks and structural weakening. Dense concrete reduces porosity, limiting moisture ingress and enhancing longevity in freezing conditions.

To maximize frost resistance, opt for ottomans made with high-density concrete mixes, often incorporating additives like silica fume or superplasticizers. Proper sealing further improves performance by creating a protective barrier. Understanding this relationship helps homeowners select durable, weather-resistant outdoor furniture that withstands harsh winters without compromising style.