Paver bases add a beautiful finishing touch to any outdoor project. Paver foundations can be simple to install, low-maintenance, and efficient 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... https://modutile.com/product/permeable-plastic-pavers-24x24/