What Causes Tree Root Heave in Pakenham Clay Soils?
Tree root heave occurs when soil, paving or other ground surfaces lift or shift as roots grow and exert pressure. In Pakenham and across South East Melbourne, the region’s clay soils can make this movement more noticeable. Clay expands when it absorbs water and shrinks as it dries, so root growth, soil moisture changes and seasonal weather can all contribute to uneven ground. How tree roots cause ground movement Roots generally spread through soil in search of wa