Clause 804
Clause 804(less dust than screenings) has a whole range of versatile uses. It is sold lose by the tonne.
Bags
Small empty heavy duty sand bag.
Quarry Products
Drainage stone-small smooth rounded stone
Blocks
Regular 4" block with a 30 degree offset.
2" clean medium sized stone
Regular sized blocks used for most building jobs.
Gravel
Aggregate mix
An empty big bag.
The bigger thicker blocks up from the 4"
A tonne bag of sand.
Screenings-Very dusty gravel
Concrete block that weighs one tonne.