Reactive Clay Soils in Melbourne’s West — Why Houses Crack and What to Look For

Quick answer: Most of Melbourne’s western suburbs sit on highly reactive clay soils that swell when wet and shrink when dry. This movement causes wall cracks, sloping floors, sticking doors, and slab heave — common defects flagged in pre-purchase building inspections across Hoppers Crossing, Werribee, Point Cook, Tarneit and Wyndham Vale. What “reactive clay” actually […]