This 20mm ballast is a mixture of gravel and sharp sand supplied in a large bulk bag, intended for use in concrete production on site. Combining coarse aggregate and sand, it is suitable for a wide range of building and landscaping projects where concrete is required.
Typically, this ballast is mixed with cement and water for tasks such as forming foundations, footings, and paved areas. Its blend supports a consistent mix for general construction purposes and can be used wherever a reliable base or structural layer is needed.
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