How heavy is the stop sign of 1.8 meters?

Weight of one-meter eight-person standing board 10-20kg. Taking standard wood as an example, a humanoid standing board with a length of 1.8 meters is estimated to weigh about 10-20kg. Usually, the weight of a humanoid standing board with a length of 1.8 meters will vary according to different materials. Humanoid signboards can be made of different materials, such as wood, metal, plastic or fiberboard. The density and thickness of each material will affect the weight of the standing board.