4/10 mm Cleanstone

4/10 mm Cleanstone is a single-sized, crushed rock aggregate, produced from limestone, granite, basalt, or ragstone. It is valued for its permeability and angularity, making it an excellent choice for drainage, surface dressings, and as a component in concrete mixes where strength and water movement are priorities.

Available Supply Type

  • Bulk Bags
  • Loose
  • Poly Bags
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Product Details

4/10 mm Cleanstone is a clean, angular aggregate graded from 4/10 mm and supplied free from fines, offering excellent permeability and structural performance. Its open grading allows water to move freely through the material, making it well suited to general drainage applications where effective water management is essential. The absence of fines helps prevent water retention and reduces the risk of waterlogging, supporting long‑term site stability.

This aggregate is also commonly used as a surface dressing and can be blended with sharp washed sand to produce an all‑in ballast for concreting applications, particularly where depth, strength, or controlled compaction is required. The angular particle shape contributes to good load distribution while maintaining drainage capability.

Produced in accordance with SHW Series 500, BS EN 12620, BS EN 13043, and BS EN 13242, 4/10 mm Cleanstone is a compliant and reliable solution for drainage, structural, and mixed‑use construction applications.

Product supply may be subject to geographic availability.

Useful Information

  • General drainage
  • Surface dressing
  • Mix with sharp washed sand to make all-in ballast for concreting where depth/compaction is an issue

Key Benefits

Reliable Compaction

Angular particles provide a stable bedding layer for drainage and structural applications.

Excellent Drainage

Fines-free grading allows water to pass freely, reducing surface water build-up.

Ideal for Drainage and Concreting

Commonly used in general drainage and mixed with sharp sand for all-in ballast.

Compliance

Produced to SHW Series 500, BS EN 12620, BS EN 13043, and BS EN 13242 standards for assured quality.

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