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The most common technique is non-open graded base. What this means is that the compacted granular base portion of the job is using a 3⁄4" Crusher Run Gravel (also called Granular "A"). This is a combination of angular 3⁄4" stone mixed with fines and when compacted this material creates a solid base for the next step; the bedding course.
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OSSGA is a not-for-profit industry association representing over 280 sand, gravel, and crushed stone producers and suppliers of valuable industry products and services. Collectively, our members supply the substantial majority of the approximately 164 million tonnes of aggregate consumed annually in the province to build and maintain Ontario's …
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