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Screening is a biproduct of producing gravel and crushed stone and is the smaller particles of rocks and minerals that cannot be used as crushed stone. It is used to make concrete blocks but on top of this, it is also used as a base prior to paving or in some cases, even as an alternitive to gravel. When compacted, screening becomes very strong and acts similar to concrete.



  • Appearance: Typically Light Grey

  • Material: Most commonly granite and limestone

  • Sizes: Typically Under 1/4''

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