Once the color steel plate rusts, it will not only affect the beauty, but also affect the quality of the color steel plate. Once the corrosion occurs, it will spread slowly, causing the rainwater in the pit to leak down. Therefore, the repair work of color steel plate should be carried out in time. After rust removal by spraying, it is not only beautiful, but also can prolong the service life of the shift. In general, there are many important points for attention in this kind of work. Combined with the construction experience of the workers, I would like to summarize them and hope to help you.Color steel plate repair work mainly involves indoor and outdoor color steel plate. Indoor, such as: sandwich panel partition, sandwich panel room, sandwich panel ceiling, etc.; outdoor mainly roof color steel plate. The interior color steel plate is mainly from the appearance aspect, the roof color steel plate is mainly waterproof leakage aspect. In order to improve the adhesion, uniformity and gloss of the coating, the color steel plate must be cleaned before construction.