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Structural Analysis – Water Infiltration in a Residential Building

Fissure sur une fondation extérieure, signe potentiel d’un problème structurel.
Infiltration d’eau au sous-sol : tache d’humidité et zone marquée en jaune sur une dalle de béton, nécessitant inspection structurelle.

SCI Globale Inc. was mandated to assess a major water infiltration that occurred during heavy rainfall in a residential building. Our structural inspection revealed the following:
‍An active crack in the foundation wall
, aligned with the water entry point.
Previously repaired exterior cracks, but only superficially, allowing infiltration to return.
Moisture accumulation between the exterior slab and the wall, increasing hydrostatic pressure.
The interior slab showed only normal microcracks, confirming it was not the source of the issue.
Conclusion
The water infiltration originated from a structural crack in the foundation wall, which was stressed during an exceptional rainfall event.
Recommended Intervention
Crack injection, exterior sealing, drainage verification, and preventive measures to ensure long-term protection of the building.

Fissures sur un mur de fondation en béton nécessitant une inspection structurelle.