Walker provides granular stone to support building roads, schools, driveways and parking lots, sub-base, backfill, walkways and trail bases.
We offer various sizes of crusher run, OPSS granular A, B (type I, II, pit run), and M. Other granular products also available and vary by location.

Granular Products
| Product Name & Size / Classification | Windsor-Essex | Simcoe | Niagara Region | Grey-Bruce |
|---|---|---|---|---|
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2″ Crushed Gravel |
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4″ Minus |
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Crushed Concrete: 2″ |
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Crusher Run/Surge: 200mm (8″) |
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Granular / Crusher Run: 100mm (0 – 4″) |
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Granular / Crusher Run: 150mm (0 – 6″) |
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Granular / Crusher Run: 16mm (5/8″) |
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Granular / Crusher Run: 19mm (0 -3/4″) |
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Granular / Crusher Run: 50mm (0 – 2″) |
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Granular / Crusher Run: 7/8″ Crushed |
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OPSS Granular A: Passes 1″ |
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OPSS Granular B Type I (Limestone): 0 – 1/2″ |
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OPSS Granular B Type I (Pit Run): 0 – 1/2″ |
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OPSS Granular B Type II: 0 – 2″ |
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OPSS Granular M: 16mm (5/8″) |
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Pit Run / Bank B |
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Screened A |
*Selection and availability varies by location.