A Large Crack Suddenly Appears in the Corner of a Foundation after a Long Dry Spell Synopsis Owners bought this house new. During the first six years, the foundation was crack-free. At the end of a prolonged dry spell, a large crack suddenly appeared in the left rear corner of the foundation. Main Report General Information Background Description of Property Method of Investigation Observations Findings and Conclusions Limitations Appendixes Appendix A: Photographs | Structural Inspections | Residential & Commercial Services |