Drainage Gravel (20mm) - Pre Bagged loam Sulphur (S) – 19% (as

Sulphur (S) – 19% (as Sulphate)

Each corner block features interlocking tongue and groove joints

Our Emerald White Rocks 10mm are a bright

which could affect the finish

With its distinctive blue-grey colouring

Drainage Gravel (20mm) - Pre Bagged loam Sulphur (S) – 19% (asA robust, 20 mm crushed blue metal gravel this size is excellent for larger scale drainage needs like retaining wall catchment, high flow trenches, and load bearing pathways. Key Features Angular 20 mm crushed blue metal for excellent load bearing and drainage. Great erosion resistance, even in high flow areas. Helps divert water efficiently while remaining stable under compaction. Ideal Uses Trench drainage behind retaining structures Heavy duty