A bulk bag of 20mm ballast for mixing with cement to make a finer concrete. This ballast concrete aggregate bulk bag has excellent drainage properties, making it ideal to provide an even sub-base for paving slabs, block paving driveways, artificial grass and shed bases - it can also be used for securing fence posts. 20mm ballast, also known as "all-in" ballast, is a even mixture of sharp sand and 20mm crushed stone ballast.

Brand Name	Selco
Material	Ballast
Type	Aggregate
Weight	approx. 800kg
Recommended Use	Mixing with cement to make finer concrete
Suitable for	Paving slabs, block paving driveways, artificial grass and shed bases