Underpinning Concrete Slab

Underpinning services you can rely on our wide range of underpinning and home repair services are suitable for any residential or commercial property throughout south australia and victoria.

Underpinning concrete slab. Underpinning solutions common causes of a shifting house foundation. Then pockets below footings. Since the concrete base is now stronger than the soil that used to hold the foundation the. Screw pile underpinning also known as pier underpinning or piering.

The 3 main underpinning methods and their costs. It involves digging holes beneath the home or building and pouring concrete into the spaces in accordance with the project specific plan. This traditional method has been around for more than 100 years. Type of underpinning methods.

Sinking and cracked floors a crack in the wall or concrete slab and doors and windows that won t close properly can all be warning signs of ground weakness under a structure. These are used for homes or other structures with concrete foundations. Slab peirs work best for lifting home foundation slabs and garage slabs. Historically there have been two main underpinning techniques available.

Foundation underpinning repair sunken foundations if you have sunken foundations that result in cracked floors and walls pavements or driveways we can fix it. We have a trustworthy and responsible approach to addressing sunken foundations that result in cracked walls floors and concrete slabs. The traditional mass concrete underpinning method is a good example. Concrete slab underpinning also known as slab jacking.

Underpinning using piled raft. Piles are placed at determined locations by loading conditions. For example a good underpinning contractor will include prices for removing and replacing concrete slabs getting the plumbing checked after the work is complete engineer s inspections during construction council fees and workers compensation fees. If a building becomes un level due to subsidence it can result in significant and expensive damage particularly if left unaddressed.

Underpinning with a piled raft must be used when the whole structure needs to be underpinned. This process is best suited for shallow underpinning and involves excavating the weak soil underneath the foundation and replacing it with mass concrete which provides more strength. These are an adjustable solution that work for lifting slabs and foundations that have settled at an uneven rate. Piers are installed both.

For more on how each method works see our. Our urethane solution is specifically designed for water reactive and clay soils which will reverse the damage caused to buildings and structures. More recently a third method is being used called grout injection aka resin injection.