Clause 804
Clause 804(less dust than screenings) has a whole range of versatile uses. It is sold lose by the tonne.
Quarry Products
2" clean medium sized stone
Blocks
Regular sized blocks used for most building jobs.
4" clean large stone
Regular 4" block with a 30 degree offset.
A much bigger block with a cavity/hole going through the center.
Gravel
Aggregate mix
Concrete block that weighs one tonne.
Drainage stone-small smooth rounded stone
The bigger thicker blocks up from the 4"
Chips
Screenings-Very dusty gravel