The need for slab repairs usually comes from a mix of natural and environmental factors. Soil movement is the most common cause, especially in areas with clay-rich soil that expands and contracts with moisture. Water seepage from plumbing leaks, poor drainage, or heavy rain can also weaken concrete slabs. Additionally, tree roots growing underneath slabs may cause cracks or uneven sur... https://nymasonrypaving.com/water-proofing-foundation/