1.Arched kawotchou teren
2.Special ki gen fòm anti-tounen presyon kawotchou teren
3.Air pèmeyab kawotchou eponj
4.Solid / kare teren kawotchou (pou katon)
5.Columnar gap kawotchou teren (nou ed pou katon corrugate)
6.Corrugated bann pwoteksyon