This 20mm mini bag ballast is a ready-mixed aggregate supplied in an approximately 25kg bag. Composed of natural grey and yellow stones, it is suitable for use where smaller quantities are needed on site.
The ballast is commonly used for mixing with cement and water to produce concrete, as well as for forming sub-bases in paving, pathways, and general landscaping work. The consistent 20mm stone size supports compact placement and helps achieve an even surface in domestic or light commercial projects.
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