Repairing or restoring old stone walls involves careful assessment, cleaning, and reconstruction where needed. Stonemasons examine the wall to identify damage, such as cracked or missing stones, mortar erosion, or structural weakness. They may remove damaged stones, clean and re-cut them, and replace them with matching stone to maintain the wall’s original appearance. Mortar joints are often repointed to strengthen the wall, prevent water ingress, and improve durability. For historic or heritage walls, stonemasons use traditional techniques and materials to preserve authenticity. In some cases, modern reinforcement methods are subtly integrated to improve stability without altering the wall’s aesthetic. Regular maintenance, including cleaning and inspection, helps prevent future deterioration. With skilled restoration, old stone walls can regain their structural integrity and charm, blending seamlessly with both historic and modern surroundings.