All-in Concrete Gravel (10mm [⅜"] all-in) All-in Concrete Gravel Paver Laying Course Sand Category

Paver Laying Course Sand Category III

The sand and gravel in the slits respond differently to repeated cycles of wetting and drying compared with the adjacent soil causing the level of sand and gravel in the slits to sink progressively relative to the soil

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mainly from matrix material within rock particles

Materials must meet the requirements of BS7533-3

All-in Concrete Gravel (10mm [⅜"] all-in) All-in Concrete Gravel Paver Laying Course Sand CategoryA blend of sand and gravel aggregate which requires only the addition of cement and water for the production of concrete. For use in pathways, cavity fill etc. Complies with BSEN 12620. We regularly sample our gravels to check that grain size distribution meets specification. View CE Certificate