Clause 804
Clause 804(less dust than screenings) has a whole range of versatile uses. It is sold lose by the tonne.
Blocks
The bigger thicker blocks up from the 4"
Bags
An empty big bag.
Gravel
Screenings-Very dusty gravel
Regular 4" block with a 90 degree offset.
Aggregate mix
Quarry Products
2" clean medium sized stone
4" clean large stone
Regular sized blocks used for most building jobs.
Plastering sand