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Aggregates, Screenings & Stones

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Aggregates, Screenings or Stone refer to a particular form of quarried product that is generally graded in size for use in specific applications. When produced from Basalt or Blue metal they are generally used in the construction industry, namely concrete production and plumbing and drainage.


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AGGREGATE / SCREENING/ 7mm

Commonly referred to as 7mm toppings or topps, they are used by plumbers to pack around and lay sewer and storm water pipes on. Also used in concrete production where the small size of the stone means a thin application can be achieved. Stone size is approx. 5 – 7mm.


AGGREGATE / SCREENING / 12mm  

Most commonly used in the production of concrete in its most standard specification. Stone size varies from approx. 10 – 14mm.


AGGREGATE / SCREENING / 20mm

Sometimes used in the production of concrete when specified to certain structural specifications. Can also be used for placement around agricultural drainage pipes. Stone size is approx 20mm.