Crushed Granite or Pea Gravel: What's the Right Material ...
Oct 01, 2020 · Crushed Granite Projects. Crushed granite gravel is often used as an aggregate for underground projects. It can make a suitable subbase for concrete. When sized at approximately 1/2″ or 3/4″, it's commonly used in projects like backfill, drainage, and pipe bedding. More massive cuts are used for parking lots, railroad ballast, and driveways.