41. Sinkhole house foundation repair.

Sinkhole house foundation repair.

Sinkhole house foundation repair. You think you have a sinkhole under your house. You climb the slope of your floor to grab the telephone, but who do you call? Your insurance company is the one you call first. Florida statute 627.7073 requires all insurance companies to hire a sinkhole engineering company to run tests if a policyholder/homeowner suspects a sinkhole on the property. These tests will determine if there is a sinkhole and where it is located.

Sinkhole house foundation repair. Repairing a sinkhole and the structural damage to your home is very costly. Even after having a sinkhole repaired, there is no guarantee that more structural damage will not occur. Because of this, even if you sustained no damage to your home and the sinkhole is repaired, you must disclose the presence of a sinkhole when you sell your home.

Insurance claim

Filing an insurance claim will undoubtedly defer the repair costs, but, more importantly, having a sinkhole claim on file will help cover further structural repairs down the road. Unfortunately, the insurance company’s actions usually make subsequent damage possible. The best sinkhole solution is a combination of compaction grouting and underpinning. Still, most policies cannot cover both procedures, forcing homeowners to cut corners (leading to future damage to the home).

Compaction grouting

Compaction grouting is the most common form of sinkhole repair. A thick cement mixture is injected into the limestone or cavity underneath the topsoil. This grouting adds density to the rock to stabilize the ground and seals the top of the limestone (if any is left) to prevent further liquefying. This grouting can be injected deeper than 80 ft, and it has the advantage of pressuring the uppermost soil.

Compaction grouting can be used to lift ground that has sunk, but it does not lift the house itself. Used alone, this sinkhole repair can cause more damage to a home. If the limestone or cavity is much deeper than the grouting injection, then the weight of the grouting can cause the sinkhole to grow faster. Pressurizing the ground might also cause the home’s floors to buckle. Due to price, insurance companies will opt to use this sinkhole solution singularly, leaving your home at risk.

Underpinning

Underpinning is the sinkhole solution where repair lifts are placed at multiple points under the foundation. These lifts are made from metal piers drilled into the limestone underneath (or grouted limestone if both are used), and then the lifts are attached to the home using brackets. Underpinning is more accurate because it lifts the foundation at multiple points, making it a better solution if the house has structural damage.

A combination of compaction grouting and underpinning is the best repair solution for a sinkhole. Still, the cost of underpinning usually exceeds the insurance policy limits; thus, it is not done or done well. Homeowners are left with a forever stigmatized house and at risk of further damage.


Author’s Note: Only a certified engineer can confirm sinkhole activity.  It’s important to remember that not every sinkhole house has a void under it. I’ve seen houses with shifting foundations due to clay, sand, and mud classified as sinkhole houses, and the insurance company paid off the houses in full.


We Buy, Rent, and Sell Sinkhole Houses in Hillsborough, Pasco, and Pinellas Counties in Florida. 

Langee Realty Inc. Property Management Services. (813)545-5263 We Buy Unrepaired Sinkhole Houses.

Sinkhole Homeowners: Let’s explore solutions to your sinkhole house problem. We have been specializing in sinkhole properties for 15 years. We will assess your engineering report and develop a tailored action plan. Let’s discuss a safe and income-generating rental approach. My crucial objective is to prioritize the long-term viability of your property. If you prefer, we can buy your unrepaired sinkhole house. Homeowners of Tampa Bay area rental property can rest easy with Langee Realty, Inc.  We help you manage and maintain your Tampa Bay rental property. Langee Realty Inc. opened its doors in 1996. Relax, and let us take care of your property. Safety note: More homes burn down and then fall into sinkholes. Please check your smoke detectors regularly.


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