EasyPave PRO Plastic Permeable Paving GridVodaland's EasyPave PRO permeable plastic gravel grid system has 2" in height and can withstand loads up to 134,800 pounds (filled with the aggregate) which is equivalent of a load class E (heavy duty parking). Our EasyPave PRO system is available in a black colour and it provides many unique features: "S" Turn Grid Design The EasyPave PRO system was designed with a wave like pattern that narrows at where the plastic converges for additional support.