Drainage stone-small smooth rounded stone
Drainage stone are small smooth rounded stone used for draining water away from places where water is unwanted. It is sold lose by the tonne.
Quarry Products
2" clean medium sized stone
4" clean large stone
Gravel
Screenings-Very dusty gravel
Blocks
Regular 4" block with a 30 degree offset.
Chips
3/8" Chips. Very small stones
Bags
Small empty heavy duty sand bag.
Regular 4" block with a 90 degree offset.
A tonne bag of sand.
Clause 804
Concrete block that weighs one tonne.