Underpinning is the technique of extending the foundations of a structure down to a depth where they can provide the correct support outside the influence of low bearing capacity soils or moisture sensitive clays.

Association of Specialist Underpinning Contractors (ASUC+)

ASUC is an independent trade association originally formed by a number of leading underpinning contractors to promote professional and technical competence within the subsidence industry. As an ASUC+ member Stress UK provides clients with the highest standards of remedial foundation repairs. Contracts are carried out to extremely high health and safety standards imposed by ASUC.

Piece of mind – guaranteed

Through ASUC+ your project will be protect by a robust defects insurance policy giving your client the benefit of a guarantee on all the works including the structural repairs and drainage.

Types of underpinning:

  • Mass reinforced concrete
  • Piled raft and beam
  • Screw pile
  • ReFORCE permeation piling and ground strengthening.