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Walker Aggregates Inc.

Clear Stones

50mm (2”) Clear Stone
Stone ranging in size from 50mm (2") to 26.5mm (1") that is used for drainage. 
   
19 mm (3/4”) Clear Stone
A minus 26.5mm (1") plus 15mm (9/16") screened material used around house foundations and below concrete slabs.  The lack of fines minus 15mm (9/16") allows for drainage.  This product can also be used for top dressing of driveways, parking lots and in the production of base course Asphalt.

13.5mm (1/2”) Clear Stone
A minus 15mm (9/16") to 5mm (3/16") screened material used for pipe bedding and top dressing of driveways. The lack of fines minus 5mm (3/16") allows for drainage.  This product can also be used for production of surface course Asphalt.

9.5mm (3/8”) Clear Stone
A minus 13mm (1/2") to 5mm (3/16") screened material used for surface treatment top course.  This product is also known as Class 1.

7mm (1/4”) Clear Stone
A minus 9mm (5/16") to 5mm (3/16") screened material used for surface treatment top course, pipe bedding, dog runs and pathways. This product is also known as Class 5. This product is also used in the production of surface course Asphalt.

2mm (1/8”) Clear Stone
A minus 5mm (3/16") to 2mm (1/16") chip stone, which can be used for surface course of pathways and dog runs.  This product is also used for the production of paving stones and concrete block. 



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