What towns in CT have crumbling foundations?

You can see the 11 towns with the most claimants in the CFSIC database here:

Vernon: 359.
Tolland: 190.
Manchester: 119.
South Windsor: 116.
Stafford/Stafford Springs: 116.
Willington: 100.
Ellington: 74.
East Windsor: 72.

What years are crumbling foundations in CT?

As many as 34,000 homes constructed in northeastern Connecticut between 1983 and 2000 may have concrete foundations containing pyrrhotite and are at risk of cracking or crumbling.

How much does it cost to replace a crumbling foundation?

Crumbling Foundation Repair Costs Typically, crumbling requires complete wall reinforcements and possibly new drainage systems. This can cost between $1,000 and $11,000. However, slight crumbling caused by impact-based events may only require an epoxy fill, which costs around $300 to $1,000.

What state has 34000 homes built on faulty foundations?

Connecticut
Investigations found that as many as 34,000 homes constructed in northeastern Connecticut between 1983 and 2000 were at risk of crumbling foundations. Why? Their foundations contained a corrosive mineral known as pyrrhotite.

How do I know if my foundation has pyrrhotite?

If you are looking to evaluate your own home for foundation issues, here are 5 of the most important signs of pyrrhotite issues in your foundation:

Exterior Grading. Always look at exterior grading and gutter systems because water can initiate problems with pyrrhotite.
Parge Coating.
Efflorescence.
Sandy Coloring.
Cracks.

Can a crumbling foundation be fixed?

We use multiple repair methods, whether helical piers, resistance piers, floor joist jacks tiebacks, and other proven effective techniques for crumbling foundations. The most common process involves driving steel piers into the load-bearing soils beneath the home to stabilize the foundation’s sinking portions.

What is the difference between pyrite and pyrrhotite?

Pyrrhotite is related to the more common and well-known mineral pyrite, also known as Fool’s Gold. Pyrrhotite differs from pyrite because it has less sulfur and is far more reactive to water than most pyrite.

Is pyrrhotite in all concrete?

Publicly Released: Jul 29, 2020. Pyrrhotite is a mineral that expands when exposed to water and oxygen. If pyrrhotite is present in concrete—as it is in the foundations of at least 1,600 Connecticut and Massachusetts homes—the concrete can crack and crumble.