French residents report home damage from drought-induced soil movement

Residents in several French municipalities, including Grepiac and Rezé, are reporting significant structural damage to homes caused by drought-induced soil movement. The phenomenon, known as clay shrinkage and swelling (RGA), occurs when clay-rich soils expand during heavy rain and contract during dry periods, leading to cracks in walls, facades, and foundations.

In Rezé, a local collective has formed to document affected properties in an effort to secure official recognition of a natural disaster from the state. This recognition is crucial for residents to access insurance coverage for costly repairs, such as installing micropiles or resin injections. A public meeting is scheduled for October 24 to identify further damaged homes.

Local authorities in Grepiac are also urging residents to report cracks to the town hall. Documenting these damages allows the municipality to build a case for requesting a formal declaration of a natural disaster state, which can facilitate insurance claims for affected homeowners.