The endurance of vinyl pergolas is unmatched. They are guaranteed to last a lifetime. They do not rot, buckle, swell, or deteriorate even in the harshest of climates. The are not affected by insects and pests. Their original appearance and luster are maintained through the product lifetime. Wood may have unsightly gaps which are prone to damage, and moisture can also play a great role in causing damage. But there is no such problems as far as vinyl pergolas are concerned. There is no need to re-apply paint to prevent corrosion as is needed for metal pergolas.