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Deteriorating House Foundations in Connecticut

Some homeowners in northeastern CT are struggling with deteriorating concrete foundations. Here's what we know.

Pyrrhotite

Some (hundreds?) of concrete foundations poured for homes in northeast Connecticut in the early 1980's are now rapidly cracking, crumbling, and failing due to pyrrhotite in the concrete mix. Pyrrhotite is an iron sulfide mineral. It reacts with oxygen and water to cause swelling and cracking. 

Locations

As of this writing the defective foundations have been reported in the following towns:

Andover                              Mansfield
Ashford                               Somers
Bolton                                 South Windsor
Coventry                             Stafford
East Hartford                      Suffield
East Windsor                      Tolland
Ellington                              Union
Enfield                                 Vernon
Glastonbury                        Willington
Manchester                        Woodstock

Source

The homes with bad foundations have been linked to the JJ Motes Company of Stafford CT., a quarry / cement provider in Connecticut that provided the concrete mix. It has been estimated that this company provided concrete mix used to build over 10,000 foundations in the affected towns.
No problems were seen or were evident
​until recently. Large cracks and settling started 20+ years after the homes were built.

Remedies

Foundations that are failing need rebuilding, with costs estimated to be averaging around $150,000 per home, not including demolition or rebuilding of finished basements. Some estimates put the cost of rebuilding at over $1 billion for this region of the state, and this is possibly a conservative estimate. At this time insurance companies have denied all claims by homeowners involving these foundations.
Allied Home Inspections LLC can inspect your house foundation for defects, settling, and any signs of deterioration.
Pyrrhotite Foundation Connecticut
Bad Foundation CT
CT Cracked Foundation
Failing Foundation Connecticut
Connecticut Crumbling Foundations
CT Failing Foundations Map
Map of Affected area
Resources:
Connecticut Foundation Solutions Indemnity Company LLC
CT Dept. of Consumer Protection

Video - CT Forum on crumbling foundations
Capitol Region Council of Governments

Looking for a Connecticut Home Inspector? Contact Allied Home Inspections LLC - "Inspected Once, Inspected Right!" 
Allied Home Inspections LLC
Bethel CT. 06801
Mon - Sat 8AM to 9PM
(203) 515-6622​
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Servicing Bethel, Bridgewater, Brookfield, Cheshire, Danbury, Darien, Easton,  Fairfield, Greenwich, Hamden, Kent, Middlebury, Monroe, New Fairfield,  New Milford, Newtown, Norwalk, Oxford, Redding, Ridgefield, Roxbury, Seymour, Shelton, Sherman, Southbury, Stamford, Stratford, Trumbull, Warren, Weston, Westport, and Wilton Connecticut
  • Home
  • Contact
  • About Me
  • Unbiased
  • References
  • Radon Testing
  • Water Testing
  • FAQ
  • Info and tips
    • Blog
    • 15 Tools Every Homeowner Should Own
    • 10 Ways To Save Energy
    • Abrasive Blasting for Mold Remediation
    • Acid Rain
    • Adjustable Steel Columns
    • Advantages of Solar Energy
    • Aging in Place
    • Aluminum Siding
    • Aluminum Wiring
    • Ants
    • Anti-Scald Valves
    • Arc-Fault Circuit Interrupters (AFCIs)
    • Asbestos
    • Asbestos in Vermiculite
    • Attic Pull-Down Ladders
    • Average Home Inspection Cost
    • Backdrafting
    • Backflow Prevention
    • Barbeque Safety
    • Basement Waterproofing
    • Bathroom Vents
    • Bats
    • Bed Bugs
    • Bethel Home Inspector - Allied Home Inspections LLC
    • Biological Pollutants
    • Brookfield Home Inspections - Allied Home Inspections LLC
    • Bug Zappers
    • Building a Home
    • Building Cavities Used as Supply or Return Ducts
    • Buying a Foreclosure
    • Carbon Monoxide
    • Carpeted Bathrooms
    • Central Humidifiers
    • Central Vacuum
    • Central Air-Conditioning Systems
    • Child-Proofing
    • Chinese Drywall
    • Clothing Moths
    • Collar Ties
    • Condensation in Double-Paned Windows
    • Crumbling Foundations in CT
    • Danbury Condo Inspector - Allied Home Inspections LLC
    • Danbury Home Inspection - Allied Home Inspections LLC
    • Electrical Conductor Types
    • Electric Heat and Condensation
    • Electrical Panels
    • EMFs in the Home
    • Energy Conservation
    • Energy-Efficient Houses
    • Engineered Wood Flooring
    • Exterior Design Features
    • Factory-Built Fireplaces
    • Fairfield Home Inspector - Allied Home Inspections LLC
    • FHA Loan Basics
    • Fire Safety
    • Foreclosures
    • Foreclosure Inspections
    • Formaldehyde
    • Foundation Insulation
    • Galvanic Corrosion
    • Galvanized Pipe
    • Garages
    • Garage Doors and Openers
    • Garage Fire Containment
    • GFCI's
    • Gutters
    • Home Inspection: An Overview
    • How To Choose a Home Inspector
    • Ice Dams
    • Infrared Inspections
    • Insulation
    • Internships for Home Inspectors in Connecticut
    • Knob and Tube
    • Links and Resources
    • Manufactured Homes
    • Newtown Home Inspection - Allied Home Inspections LLC
    • New Milford Home Inspector - Allied Home Inspections LLC
    • Oil Burners
    • Plumbing Terms
    • Ridgefield Home Inspector - Allied Home Inspections LLC
    • Roofing
    • Scope of a Home Inspection
    • Sealing / insulating
    • Septic
    • Siding and Insects
    • Stamford Water Contamination
    • Termites
    • Tips For Home Sellers
    • Tips On Finding A Home Inspector
    • Tips To Crush Your Home Inspection
    • Typical Inspection
    • Underground Oil Tanks
    • Vinyl Siding
    • Water Quality
    • Water Softeners
    • Water Softener Backwash
    • Water Wells