Underpinning may be necessary for a variety of reasons: The original foundation is simply not strong or stable enough, e.g. due to original pile failure. The usage of the structure has changed.

Underpinning is the process of strengthening and stabilizing the foundation of a structure. Such a method may be necessary for a variety of reasons when the original foundation is not reliable or stable enough.


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The construction of nearby structures necessitates the excavation of soil supporting existing foundations. It is more economical, due to land price or otherwise, to work on the present structure's foundation than to build a new one.

Sometimes due to:

  • A previous pile failure
  • The usage of the structure has changed
  • The properties of the soil supporting the foundation may have changed (possibly through subsidence) or were mischaracterized during planning.
At AMERICAN FOUNDATION, we work on underpinning by extending the foundation in depth or in breadth, so it either rests on a more robust soil stratum or distributes its load across a greater area. All of these processes are generally complex and expensive. Underpinning would be the most reasonable solution in this situation. We can provide foundation with several types of Piles.