Coarse Aggregate for unbound material (6mm [¼''] s.sized) Coarse Aggregate Pure sand rootzone construction is

Pure sand rootzone construction is the next progression from soil amelioration

with half the ball's diameter buried beneath the surface

See our blending recommendation here

To avoid any risk of smothering the sward

Nominal concrete mixes (1:2:4

Coarse Aggregate for unbound material (6mm [¼''] s.sized) Coarse Aggregate Pure sand rootzone construction isA very fine single sized 2 6. 3mm coarse gravel aggregate for unbound drainage material. Complies with BSEN 13242 PD 6682 6 Table 4 A blend of sand and gravel aggregates which require the addition of water for the production of well graded consolidated fills. Complies with BSEN 13242 PD6682 6 Table 6 GC80 20 GTC20 15 used for bedding and haunching pipes and cables, especially 100mm diameter plastic drains.