Recycled Drainage Gravel (20mm)Our Recycled Drainage Gravel (20mm) is a versatile, cost effective crushed concrete solution ideal for a range of applications across residential, commercial, and civil projects. Crushed and screened to 20mm, this recycled aggregate is perfect for drainage, backfilling trenches and retaining walls, stabilising work sites, creating roads, paths, driveways, and as a concrete substitute where a decorative finish is not required. Lightweight and easy to