Description Recycled Rubble 20mm, also known as Recycled Aggregate is perfect for when your require a cheap rubble. Recycled Rubble is suitable for use as a base under concreting applications. It can also be used as cheap backfill or a drainage material. Also available in 20kg bags Key Features of Recycled Rubble: When you require a cheap rubble Can be used under concreting applications Used a backfil or drainage material Approximately 20mm Rubble Delivery: Rubble and metals are sold by the tonne, and are available online or in-store. Delivery across Adelaide starting from just $35.