Coarse Aggregate for unbound material (6mm [¼''] s.sized) Coarse Aggregate A very fine single sized

A very fine single sized 2/6

sufficient to fill a square 1m by 1m

cracking and blistering

by limiting the surface area of grains to be coated in cement

Coarse Aggregate for unbound material (6mm [¼''] s.sized) Coarse Aggregate A very fine single sizedA 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.