Premium Gazebo is a practitioner of long-termism, made of high quality galvanized steel and aluminum, after 12 precision machining and three layers of composite coating process - galvanized process & anti-rust process & plastic spraying process, to achieve 3 times of corrosion resistance beyond the standard. The roof of the hardtop gazebo is made of powder-coated galvanized steel, which not only enhances the gazebo's ability to withstand wind and snow but also isolates it from direct contact with the air, making it less prone to rust and extending its lifespan.The structure has been verified by lab test to withstand strong wind over 60MPH and 110lb/ft² snow load, with unique integrated drainage system and terrain-adaptive anchoring base to ensure stable guarding of the whole scenario, and easy to deal with the severe environments such as torrential rain, blizzard and gusty winds and we promise 1 year structural nature warranty! Meanwhile, it is worth mentioning that our Pro gazebo has 20% less screws than other products, which can save 30% of installation time!