Depending on what the driveway will be used for, the base may need to be 4 to 12 inches. Ideally, 6 inches of crushed stone or gravel should be used for most driveways.
How Much Stone Under Concrete?
When it comes to the construction of a building or structure, stone is an essential material used in the process. It can be used to create foundations, walls, pathways, and much more. But how much stone should be used under concrete? Understanding the amount of stone you need and the best way to use it will help ensure your project is durable and long-lasting.
The amount of stone needed under concrete depends on the type of stone being used, the size and shape of the project, and the weight of the concrete. For example, larger projects such as a driveway or patio require more stone than a smaller project such as a walkway. In general, you should use at least 4 inches of stone under concrete that is 4 inches thick or less, and 6 inches of stone for concrete that is 5 inches thick or more.
The type of stone used under concrete also has an effect on the amount needed. Larger stones, such as gravel, need to be used in a thicker layer than smaller stones such as pea gravel. This is because larger stones are more difficult to compact and can cause the concrete to crack or settle over time.
In order to ensure the best results, it is important to properly prepare the area before pouring the