Roof anti-corrosion is essential for the durability and safety of buildings. Corrosion can weaken the structural strength of the roof, leading to leaks, energy loss and potential safety hazards. Through effective anti-corrosion measures, the service life of the roof can be extended, maintenance and repair costs can be reduced, the property and personnel safety inside the building can be protected, and the building can maintain its function and performance under various severe weather conditions. Therefore, roof anti-corrosion is an indispensable part of building maintenance.