Restumping And Underpinning Sydney | Foundation Repairs
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Why Choose Sydney Restumping & Underpinning?
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Sydney Foundation Repair Services
A strong foundation is critical to the structure and the overall safety of any home or building. A subsiding or damaged foundation can cause ongoing damage to your home. Thankfully, Sydney Restumping & Underpinning can provide a complete range of foundation repair solutions in Sydney.
We are your one-stop solution for foundation repairs, right from underpinning, restumping, house levelling and subfloor ventilation services. Our skilled team of professionals are experts in stabilising and strengthening the foundation of your building. As an industry leader, we are committed to delivering exceptional services via our licensed and experienced team.
Over the years, we have serviced family homes, factories, warehouses and commercial properties during their failed structure, extensions, and even neighbouring constrained boundaries and provided cracked wall repair. Our team knows every trick to fix your issue and make the process as smooth as possible to fix your sinking sydney home.
What Causes Foundation Problems in Sydney?
There are a number of reasons why foundation problems occur. These can include:
Leaky pipes are one of the most common sources of water collecting near house foundations causing foundation issues. With time, the pipes under the property may deteriorate and become damaged or blocked. Cracks on the pipes allow water to seep into the ground underneath or around the property affecting constuction and forcing homeowners to perform underpinning.
Tree Roots & Vegetation
Tree roots and vegetation can wreak havoc on your home’s foundation by altering the moisture levels in your soil dramatically. Trees suck moisture out of the ground causing soil to contract, reducing foundational support below your home’s slab. The aggressive root systems can also infiltrate the pipes and cause blockages.
Reactive Clay Soils
In areas with expansive soil, too much water will cause foundation problems. Water from various sources such as poor stormwater systems, plumbing leaks, rainfall and others will seep into the ground. Reactive soil gets saturated with water, swells and expands. It then pushes upward on the foundation, causing cracks on the floors, walls and even ceilings.
The key to good foundation maintenance is moisture management. If the soil around the foundation does not have adequate drainage, water will start to collect around it and weaken it. Eventually, it will cause the structure to sink or subside over time.
Underpinning Services Sydney
Underpinning is a proven solution that is cost effective and provides excellent results. A successful underpinning project rescues your home from its failing foundations, avoiding costly demolitions and rebuilds.
There are three main methods of underpinning used today. Different methods of underpinning are suitable for different reasons. At Sydney Restumping & Underpinning, we use different techniques depending on the condition of the soil and access to the site given. See here if you want to know the restumping and underpinning difference.
Our experts will help you choose the best type of underpinning method based on your needs:
Mass concrete underpinning is a traditional method that has been used for nearly a century. This method involves digging below the existing footing into the reactive clay soils that sydney homes built and constructing large underpins out of concrete and steel. These new pins provide greater support for the building by displacing the weight and strengthening the foundation. Whether it’s your western Sydney house or in sydney northern Beaches, we provide concrete piling to repair subsidence.
Heavy machinery is not needed with a lot of underpinning dug by hand to ensure pipes and other underground services are not damaged. Even the structure on the foundation can be used while the underpinning work is going on.
Bored Pier underpinning is a method of using deep reinforced concrete columns below the footing that helps support the structure with vertical loads. The bored pile consists of a cast-in-place concrete pile done on-site.
First, vertical holes are drilled into the soil using a quality bored drilling machine. The steel rebar structure is lowered into the hole and filled with concrete. The top of the pile is then capped with footing to support the structure above. The main advantage of such a method is that vibration is low and reduces disturbances to adjacent structures.
Bored pile underpinning is specialised work and should be done by a professional with extensive knowledge and experience in bored pile construction and engineering who understands the Sydney home structure in NSW for construction.
Screw Pile underpinning uses high-grade steel shafts screwed deep into the ground to reach a solid substrate The screwpiles are screwed into the earth using a hydraulic motor until the structure’s specified load-bearing pressure is met. The piles are then permanently secured by fixing to the existing footing or into a concrete slab
Underpinning using screw piles and brackets is used where traditional underpinning is impractical. It is widely used where there is a need to excavate to excessive depth or where there is hardly any space to get a piling rig close to the structure.
It takes an expert to assess and advise on the most appropriate method to use for your particular case.
Foundation Repair Sydney
While foundation problems may start as an irritant or an inconvenience, they can quickly become a nightmare requiring expensive structural damage to your home if left unchecked. The best answer to any damaged, unstable or compromised foundation is through foundation repair solutions from Sydney Restumping & Underpinning.
What is Underpinning?
Underpinning is the process used to strengthen the foundation of any existing structure. It is usually required when the original foundation is not strong enough to support the house. Foundation problems usually occur due to change to the soil structure, whether due to the type of soil the structure is built on or some external influence.
Correct house underpinning helps prevent foundation problems. Get in touch for a free quote.
Do I need underpinning?
Here are some common signs to help you recognise foundation problems and the moment you need to think of utilising underpinning services:
Cracks on the external and internal walls
Windows do not open and close properly
Floors are slightly sloped
Step cracks in brickwork
Visible gaps around the door
Cracks going across your floors
You need an experienced professional to help determine if your property needs underpinning. Our on-site inspection provides you with the much-needed answer to help you make the right decision.
Cost of Underpinning in Sydney
Underpinning a house in Sydney can cost anywhere between $5000 to $30,000. In the case of major work, the total cost can go up to $80,000. However, several factors, such as the footing type, soil type, root cause of damage, and foundation access, can greatly impact the total amount you pay.
Remember, when it comes to house foundation problems, every house and every situation is unique. We recommend having our experts assess your house. We can advise you on the best quality engineering solutions for your problems and transparent pricing information to ensure the costs do not blow out part way through the process.
Call Us for Your House Underpinning and Foundation Repair Needs
If you need underpinning or foundation repair services, you have come to the right place. With a combined experience of 20+ years in the industry, we consist of some of the best-registered engineers and building experts in Sydney.
We service Sydney and the surrounding suburbs of Queens Park, Lane Cove, Dulwich Hill, Kareela, Surry Hills, Burwood, Manly, Brookvale, Ryde and eastern suburbs homes and western sydney homes.
When a foundation issue arises, we will provide you with the most effective and affordable solutions! Get in touch with our experts to know more about our underpinning services for your Sydney property!