A much bigger block with a cavity/hole going through the center.
They are a much bigger block than the 4″ and 6″ blocks with a cavity/hole going through the center of the block. Sold in bales of 20 or by single blocks on their own.
Blocks
Concrete block that weighs one tonne.
Bags
Small empty heavy duty sand bag.
Chips
Quarry Products
2" clean medium sized stone
Plastering sand
An empty big bag.
Gravel
Screenings-Very dusty gravel
4" clean large stone
A tonne bag of sand.
Clause 804
An empty small bag.