20kg ballast block designed to add weight and support to temporary fencing. It is recommended that the blocks are stacked no more than 4 units high, which would add 80kg of additional ballast per pair of temporary fencing panels. Can be safely lifted and installed by one person. Product is manufactured from 100% recycled plastics making it a highly sustainable product which can also be recycled at one of our depots in it’s entirety at end-of-life.