Clause 804
Clause 804(less dust than screenings) has a whole range of versatile uses. It is sold lose by the tonne.
Chips
3/8" Chips. Very small stones
Quarry Products
2" clean medium sized stone
Blocks
Regular sized blocks used for most building jobs.
4" clean large stone
Drainage stone-small smooth rounded stone
Gravel
Aggregate mix
Screenings-Very dusty gravel
The bigger thicker blocks up from the 4"
Plastering sand
Regular 4" block with a 30 degree offset.