A paver base is a type of aggregate used for building patios and walkways using pavers as the top layer. The layer of natural material beneath a designed surface is referred to as the subgrade. The paver base for paving stones is made of a mixture of gravel. The floor offers a sturdy foundation. The sizes range from dust to three-quarters of an inch. The most common stone used in this... https://modutile.com/product/gravel-pavers-outdoor-basketball-court-base-24x24/