20mm Blue Metal Sydney & Queensland and larger concrete slabs

and larger concrete slabs

with the largest particles measuring 40mm in diameter and the smallest measuring 70 microns

is a finely crushed rock used in construction

Filling or compaction sand is typically a clean

DGS 20 road base is similar to DGB 20 but features a slightly different grading specification

20mm Blue Metal Sydney & Queensland and larger concrete slabs20mm blue metal aggregate is a slightly larger version of the 10mm variety. It is used in applications that require better drainage, such as retaining walls, drainage trenches, and larger concrete slabs. The 20mm size is excellent for projects requiring robust structural support, as the larger stones provide superior load bearing capacity. Like its smaller counterpart, this aggregate is produced from crushed basalt rock and retains the same strength