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Dense graded aggregates. These products are a mixture of fines and rock that’s compatible for road base.
* The color of the base products varies by location and deposit.
Open graded aggregates. These products are washed or screened to meet various sizes.
These products are washed or screened and are typically minus 3/8” manufactured sand.
Various sizes of rock that ranges from 2” – 36” depending on the class.
Large rocks that range from 20” – 36”.
Various shapes and sizes of boulders that are larger than 2’.
NCDOT GRADATION CHART