Paver bases give any outdoor project a beautiful finishing touch. Paver foundations are effective, easy to install, and low-maintenance when the right materials are employed. Subgrade, subbase, and base are the three levels that make up a paver base. Every layer has a different material composition and functions as a particular kind of support. A subgrade is the lowest layer of compac... https://modutile.com/product/permeable-plastic-pavers-24x24/