This easily brushed-on lacquer changes every surface into a blackboard, and after drying it can be inscribed with blackboard chalk. Blackboard Lacquer in black is a matt paint color with a high covering density.
The transparent lacquer also changes every colored surface into a blackboard.
Blackboard Lacquer preparation: Stir well before use!
Blackboard Lacquer processing:
To receive a smooth surface that can easily be written on, apply the Blackboard-Lacquer in two steps.