Gravel Size Gradation Chart

Which Size Gravel Stone to Choose

The chart below is a guide to the stone size range of our gravel and decorative products:

(X) = Stone largely consists of this size
(..) = Stone can consist of up to 15% of this size
(.) = Stone can consist of up to 10% of this size
Each stone gradation can contain up to 10% upper and lower grades and some fine material (sand).

In the Upper Range of Our Stone Sizing - 4" down to 2"

This covers products such as rip rap rock (can be significantly larger, depending on the chosen product), larger-size river gravels, as well as surge stone and ballast rock. Their weight makes them a sturdy and excellent decorative stone, especially for creating borders and outlining gardens and driveways.

In the Mid Range of Our Stone Sizing - 2" down to 1/2"

This covers products such as Granite and Limestone gravels, along with River Rock and Recycled Crushed Concrete. Materials in this size range are commonly used for driveway applications, where 3/4" gravel for driveways is one of the most popular choices due to its balance of stability, drainage, and ease of installation.

In the Lower Range of Our Stone Sizing - 1/2" down to fines (industry term for sand, stone dust, and tiny particles)

Products in this range include different types of pea gravel (1/2" or 3/8"). Crushed, angular materials are notably more compactible and suited for creating a base layer - products such as Crusher Run, Sand and Screenings.

Recommended Stone Sizes for Common Applications

• For support of heavy vehicles - choose our #3 or #4 stone
• For standard driveways - choose our #57 or #67
• For more decorative driveways - choose our 1/2" to 2" river gravel
• For driveways/paths more comfortable to walk upon - choose our #89