The Problem


One of the main causes of subsidence are tree roots, these soak up water in the soil & this creates movement as the soil expands/contracts making the area under the existing footing unstable.

This can then cause the existing footings to fail as you and see in the image to the left.

Damaged drains can also contribute towards subsidence. A lot of subsidence problems area a result of drains leaking into the ground causing soil erosion beneath a building's foundations.

The Solution

A reinforced base that is a more technical & advanced method of underpinning than the mass fill method.  This will be uniquely designed by the structural engineer depending on the type that is required.

 

Final Result


Once the new underpinning has been completed you can compare the original footings with the new and see how much more stable these are.

The depth, width and overall strength of the footing has been greatly improved, which will create total stability and prevent any future movement.