The average lifespan of a thatched roof varies significantly depending on the specific type of vegetation used, local weather patterns, and the quality of initial craftsmanship. A roof thatched with long straw or combed wheat reed typically lasts between 25 and 40 years before requiring major renovation or replacement. In contrast, a roof constructed from high-grade water reed is much more durable and can easily last between 50 and 60 years or even longer with proper maintenance and favorable environmental conditions. Factors such as roof pitch, overhanging trees that trap moisture, and the frequency of professional ridge repairs also play a massive role in determining how long the materials endure.
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