Koble Constructions underpins failing and settling residential foundations in Melbourne using screw piles. Stabilise your home’s foundation with minimal disruption and no major excavation.
Foundation failure in Melbourne homes is more common than many homeowners realise, and the cause is almost always the same — reactive clay soils that shrink and swell with seasonal moisture variation, causing the footings bearing in that reactive zone to move. The symptoms are visible in the building: cracked cornices, sticking doors and windows, cracked brickwork, sloping floors.
Screw pile underpinning addresses the root cause rather than the symptoms. By installing new piles that anchor deep into stable bearing strata below the reactive zone, the existing foundation is supported on a new structural system that is not affected by surface moisture variation.
Koble Constructions undertakes screw pile underpinning for homes across Melbourne and Victoria. We work in conjunction with a structural engineer to design the pile system and ensure the load transfer from existing footing to new pile is carried out correctly and safely.
The screw pile underpinning process involves installing new piles alongside or beneath the existing footing, then transferring the load from the existing footing to the new pile. The process typically involves:
Koble Constructions recommends a structural engineering assessment if you notice any of the following in your Melbourne home:
Not all cracking indicates foundation failure — buildings crack for many reasons. A structural engineer assessment will determine whether underpinning is required and, if so, what system is appropriate.
Structural engineering assessment
A structural engineer assesses the existing foundation, identifies the failure mechanism, and designs the underpinning pile system including pile positions, depths, and load transfer details.
Access pit excavation
Small access pits are excavated beside the affected footings to expose the footing edge and provide machine access for pile installation.
Pile installation and load transfer
Piles are installed to the specified depth and load transfer brackets are installed to transfer the footing load onto the new pile system.
Certification and restoration
The structural engineer certifies the completed underpinning. Access pits are backfilled and the site is made good before we leave.
Underpinning is often required in locations where access for standard piling equipment is extremely limited — inside a narrow side passage, beneath a subfloor, or in a tight courtyard. Koble Constructions has equipment and techniques specifically suited to these restricted access underpinning applications.
In extreme cases where machine access is impossible, manual installation techniques can be used to install piles in very confined spaces. We assess access requirements carefully when quoting underpinning jobs and advise on the most appropriate installation method.
Koble Constructions undertakes screw pile underpinning for homes across Melbourne and Victoria. We work with structural engineers, insurance builders, and homeowners to stabilise and restore failing foundations with minimal disruption to the occupied building.
See our residential screw piling and screw piling Melbourne pages for our broader piling services.
If your home shows signs of foundation movement, do not wait. Contact Koble Constructions to discuss screw pile underpinning for your Melbourne property. We work with your structural engineer to design and install the right solution.
