This 20mm red ballast is a coarse aggregate mix, typically combining sharp sand with red crushed stone or gravel. The blend’s reddish colour indicates natural iron-rich materials, making it suitable for construction sites where a distinctive finish is desired.
Commonly used for creating strong concrete mixes, laying sub-base layers, and providing support in foundations, it is also chosen for driveways and landscaping projects. Supplied in a mini bag, it offers manageable quantities for use in smaller builds, repair works, or areas with restricted access.
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