How does eucalyptus’s resistance to rot compare to cedar in wet climates?

When choosing wood for wet climates, rot resistance is a critical factor. Eucalyptus and cedar are both popular choices, but how do they compare?

Eucalyptus is known for its natural oils and dense grain, which provide strong resistance to rot, fungi, and insects. It performs exceptionally well in humid or rainy environments, often outlasting softer woods. However, untreated eucalyptus may still require periodic sealing to maintain its durability.

Cedar, on the other hand, contains natural preservatives like thujaplicins that repel moisture and pests. It’s a classic choice for outdoor projects in damp conditions due to its lightweight yet sturdy nature. While cedar is highly rot-resistant, prolonged exposure to standing water can eventually degrade it.

In direct comparison, eucalyptus generally offers superior rot resistance in consistently wet climates, while cedar excels in moderate moisture with proper maintenance. Your choice depends on climate severity and desired maintenance levels. For long-term outdoor use in heavy rainfall, eucalyptus may be the better option, whereas cedar remains a reliable and aesthetically pleasing alternative for less extreme conditions.

Both woods benefit from protective treatments, but eucalyptus’s density gives it an edge in harsh, wet environments. Consider your project’s needs and local weather patterns when making the final decision.