What Is the Typical Size of a Crushed Stone Grade?


Quick Answer

The most common size is grade 5 crushed stone, which contains pieces of stone that are typically no larger than 1 inch. Crushed stone grades 57 and 67 are also commonly used for driveways and construction and contain pieces that are no larger than 3/4 inch.

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Full Answer

Grade 1 grade crushed stone is the largest crushed stone available, with pieces ranging from 2 to 4 inches in diameter. This is usually used for the base layer of road beds or places where major filling is required for stability. Crushed stone grade 411 is a mixture of 57 and dust, and it is used for roads and patching potholes. Crushed stone grade 3 is 1/2 to 2 inches in size and used for a variety of building projects.

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