Geogravel is a grid for the stabilization of permeable gravel surfaces.
It combines the qualities of a naturally porous gravel surface and the comfort and stability of a paved surface.
No grid can assure lawn parkings in a shopping centre, because the grass will not enough light and water and it is costantly under stress. Gravel parkings are better solutions.
Preferably not, neither for grids nor for roof gardens. This is why backfill soils are soft, clay grounds that tend to absorb a lot of water, to withdraw and are not good substrates for drivable lawns.