This traditional method involves manual application using brushes and tape. After cleaning the curb stone surface with a wire brush, workers apply paint manually with brushes, often utilizing tape to delineate areas for different colors. While this method allows for precise detailing, it is time-consuming and can result in high paint consumption and labor costs.

To improve efficiency, workers utilize spray guns with templates to paint curb stones. Templates help maintain clean edges while spraying. Workers apply light colors first, allow them to dry, then cover with templates to spray darker colors. Although more efficient than hand-painting, this method still requires careful positioning of templates and can be labor-intensive.

For lower curb stones, a single-gun cold paint line striper is employed, allowing workers to push the machine along the curb to spray paint. Light colors are sprayed first, followed by darker colors. Alternatively, two machines may be used for simultaneous spraying of different colors. However, hand-held spray guns may be necessary for taller curb stones.

Double guns hydraulic cold spray road marking machines offer increased efficiency with larger flow rates and stable pressure. These road painting machines, equipped with single or double guns, allow for the spraying of ordinary curb stones. For two-color road markings, such as yellow & black, yellow is sprayed first, followed by black.

Dual-color cold paint road marking machines streamline the marking process with automatic skip-line functions. These machines can mark yellow & black curb painting lines in a single pass, significantly reducing construction time and labor costs. With large flow rates and the ability to connect with line drivers, these machines ensure precise and efficient marking.