Very well graded sand, 3% - 4% clay content Screened material not washed Makes up the majority of sand material contained in asphalt. You should use Granular A for sub-base, such as under patios and walkways, for mixing concrete, and for topdressing driveways. Fine aggregates are essentially any natural sand particles won from the land through the mining process. Fine aggregates consist of natural sand or any crushed stone particles that are ¼” or smaller. This product is often referred to as 1/...