It creates a hard, scratch-resistant surface and can be applied to wood, metal, drywall, glass, concrete and more. According to Rust-Oleum, a maker of chalkboard paint, the paint works best when ...

and what it’s best used for. Chalk paint is a water-based polyacrylic varnish that can be used on various surfaces, including wood, glass, melamine, metal, and more. It has a matte, chalky ...