As for the dimensions of the waves, they are considered a defining criterion in accordance with which this material is divided into several types. When choosing the material, you should certainly pay attention to the presence or absence of zinc protection. If it is, then such a corrugated board will cost much more. However, this material is considered a more durable. Corrugated board with zinc coating normally tolerates negative effects of the environment, and the roofing effectively copes with its main tasks.