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
Bags
An empty small bag.
4" clean large stone
Small empty heavy duty sand bag.
Blocks
A much bigger block with a cavity/hole going through the center.
Regular sized blocks used for most building jobs.
Chips
3/8" Chips. Very small stones
Gravel
Clause 804
Regular 4" block with a 90 degree offset.
Concrete block that weighs one tonne.