This 20mm ballast in a big bag is a blend of shingle and sharp sand, designed for general building and landscaping applications. Supplied in an 850kg bulk bag, it provides a practical aggregate solution for mixing on site.
Suitable for concrete mixes, this ballast can be used for laying shed bases, forming paths, setting kerbs, and securing fence posts. It is also appropriate for a range of structural and decorative landscaping tasks where a solid, stable base is required.
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