This soakaway set automatically qualifies for 10% off through our spend and save discounts!Our 20 cubic metre shallow soakaway system coming flat-packed.You will need 160 shallow crates which we would recommend laying 16 crates wide by 10 crates long. This will give you a complete soakaway of 6.4m (W) x 7.15m (L) x 0.44m (D).A rubber mallet for assembly and a number of cable ties will also be included to join the crates together and to clamp the membrane around your pipe entry points.Assembly of this set really is a quick and easy process - full instructions are included and you can view a quick video on assembling shallow flat-packed soakaways below.Size, load and capacityThe dimensions of the complete soakaway are 6.4m (W) x 7.15m (L) x 0.44m (D)Rainsmart soakaway crates have a void ratio of 95% - this is the amount of free space within the crate structure that can be used for rainwater storage. The capacity of this 20 cubic metre soakaway is an impressive 20,150 Litres.The vertical