EasyPave Plastic Permeable Paving GridVodaland's EasyPave permeable plastic gravel grid system has a 2" height and can withstand loads up to 88,000 pounds (filled with the aggregate) which is equivalent of a load class D (heavy duty parking). Our EasyPave system comes in three colours Black, Green, and Grey and it provides many unique features: "S" Turn Grid Design The EasyPave system was designed with a wave like pattern that narrows where the plastic converges for additional support.