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lakehouse foundation repair installs

Improving the Safety of a High Rock Lake Home

An older lake house with various foundation issues benefitted from several repairs and is now safe and structurally sound. Learn more in this case study.



A one-story lake house on High Rock Lake was to become the dream retirement and vacation home for two Greensboro residents.

Built in 1955, the original structure was meant to be a fishing cabin but was added on to over the years. Unfortunately, the foundation of the home had been built incorrectly and started to sag and slide towards a small creek connecting to the lake. Many builders over the years simply coped with the sagging and tilting foundation. They had apparently built around the problems causing it to seem level when it was quite the opposite.

The homeowner requested estimates from other repair companies but was met with very high prices and hesitant contractors, some even refusing the work altogether. Tar Heel Basement Systems offered him and his wife a price within his budget and a solution to last him years to come.


Certified Field Inspector Sam Agnew suggested the use of multiple foundation repair products and services.

In order to stabilize the dangerously sagging floors, Foreman Josh Watson and his crew installed nine (9) IntelliJack Crawlspace Supports. These galvanized steel supports are adjustable and can be maintained over time with any soil movement. The floors underneath the two bathrooms were in dire need of extra support as there were virtually no joists keeping them stable.

Seven (7) Helical Piers were also installed around the perimeter of the back of the home. Each of them was drilled to meet with the solid bedrock 15′ into the soil. In this area, the structure had begun to sink and slide towards a creek that connects to the lake. The original footer was much too small to withstand the pier installation, let alone the house’s weight so a new one was installed exceeding building codes for extra support. Along with these features, one (1) Push Pier was installed at the back right corner of the home to push the structure back to a level position.

The customer was ecstatic with the work that was done and is now confident that he can continue his other renovations safely and that the home will stand strong for many years to come.

Project Summary

Installing Contractor: Tar Heel Basement Systems
Certified Field Inspector: Sam Agnew
Foreman: Josh Watson
Products Installed: 9 IntelliJack™ Crawl Space Supports, 7 Helical Piers, 1 Push Pier

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