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Crushed Fines

Crushed Fines and also known as Quarry Dust, is a form of fractured gravel chips and fine dust used to solidify the base under patios and walkways. The Sub-Base is laid above the ABC or Sub-Grade at 1″ to 2″ inches on light weight traffic areas like pathways and paver patios.

 

Crushed Fines

 

Cross-Section Layers of "dry-laid" pavement

Cross-Section layers that make up a mortar-less or “dry-laid” pavement.       A. Sub-Grade or undisturbed soil  B. Aggregate Base Course  C. Sub-Base Crushed Fines     D. Paver Sand base bed  E. Pavers  F. Polymeric Sand