Block dimensions:12″HIGH X 17″LONG X 4″THICK
Blocks
Quarry Products
Plastering sand
Gravel
Clause 804
The bigger thicker blocks up from the 4"
Regular 4" block with a 90 degree offset.
A much bigger block with a cavity/hole going through the center.
2" clean medium sized stone
A tonne bag of sand.
Aggregate mix
Drainage stone-small smooth rounded stone
4" clean large stone