Drainage Gravel 20mm 1m3

Drainage Gravel 20mm also known as Blue Metal 20mm is a natural aggregate that is commonly used for drainage in many different fields. 

Its many uses include - backfilling trenches, around PVC and Ag-Pipe, for drainage behind retaining walls and even as a base for concrete and deep garden beds to promote drainage

Drainage Gravel 20mm is often used for mixing concrete due to its high compressive strength and can also be a cheaper alternative as a decorative dressing for footpaths and driveways.

Drainage Gravel 20mm is also available in 1 Tonne Bulka Bags & 20kg Bags