Cynthia Poirier of Holland faces constant anxiety as her home shows signs of severe foundation damage, attributed to a harmful mineral called pyrrhotite in her concrete. Her foundation is deteriorating, leading to potential structural collapses, and she worries about safety as cracks and bowed walls worsen.
The 2019 State House report revealed that thousands of homes statewide might have failing concrete foundations linked to pyrrhotite, which deteriorates when exposed to moisture and air, causing irreversible damage that could take decades to manifest.
Pyrrhotite induces horizontal cracking in foundations, creating web-like patterns and resulting in flaking walls. The only viable fix is an expensive foundation replacement with pyrrhotite-free concrete, which may cost homeowners between $150,000 to $250,000.
Many of the affected homes derive their faulty foundations from JJ Mottes Concrete Company, active from 1983 to 2015, known for using aggregates from Becker's Quarry, which was found to contain pyrrhotite, indicating a significant sourcing issue in construction.
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