Quantity: 1 x 1000kg (1 Tonne) Bag.
Coverage: 1000kg of concreting ballast will usually cover about 15mÂ² (15m x 1m) at a depth of about 5cm.
Consists Of: Ballast mix is a mixture of sand, gravel and small pebbles.
Usage: Strong enough to use for conservatory bases, fence posts and paving our concreting ballast is ready made just add cement to make it easier for you! In addition, concreting ballast can be used for garden walls, hard landscaping, paths and footing for a house.