Restumping Perth

Foundation Underpinning Perth

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Part of our offered services at Restumping Perth in relation to restumping is underpinning. Underpinning is a process or technique used to improve the stability of existing foundations by extending them deeper into the ground. This is achieved by installing new foundation elements beneath the existing ones.

Underpinning is usually required when a property is showing signs of foundation movement or when an extension or addition is being made to a property. Underpinning can also be used to stabilize hillside properties that are prone to landslides.

What is underpinning?

Underpinning is the process of increasing the depth or load bearing capacity of existing foundation elements. It is a common repair technique for addressing foundation settlement issues in both residential and commercial structures.

Underpinning is typically performed by installing new foundation elements, such as piers or piles, beneath the existing ones. This can be done using several different methods, including bell bottom piers, hydraulic jacks, and slabjacking.

Reasons to Underpin a Foundation

There are several reasons why you might need to underpin your foundation. The most common reason is that the foundation has settled, causing cracks in the walls or floors. Other reasons include:

  • The addition of a second story or other heavy loads on the existing foundation
  • Soil erosion around the foundation
  • Changes in the moisture content of the soil
  • Tree roots growing into or near the foundation

Types of Underpinning Methods We Use

There are several methods that can be used for underpinning a foundation. The type of method used will depend on the specific circumstances of each project. Some of the most common methods include:

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Piled Underpinning

Piled underpinning is one of the most common methods of underpinning. It involves driving piles into the ground to a depth that will reach load-bearing soil or rock. The piles are then connected to the foundation with steel rods, and concrete is poured around the base of the piles to create a new footing.

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Mass Concrete Underpinning

Mass concrete underpinning is another common method of underpinning. It involves excavating around the perimeter of the foundation and adding a layer of concrete beneath it. The new concrete footing is then connected to the existing foundation with steel rods.

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Soil Nails

Soil nails are an alternative to piles or mass concrete for stabilizing slopes or excavation walls. Soil nails are basically steel rods that are driven into the ground and connected to the foundation with steel cables. The soil nails provide additional support and stability to the foundation.

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Helical Piles

Helical piles are a type of screw pile that is screwed into the ground. They are typically used for stabilizing foundations in areas with soft or loose soils. Helical piles can also be used to support decks, porches, and other structures.

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Resin Bonded Piles

Resin-bonded piles are a type of underpinning that involves bonding piles to the existing foundation with resin. This method is typically used for stabilizing brick foundations.

Benefits of Underpinning

There are several benefits to underpinning a foundation. To list a few:

  • It can stop or prevent further foundation settlement
  • It can repair cracks in walls and floors
  • It can stabilize hillside properties
  • It can provide additional support for decks and porches

Schedule a Consultation Today!

If you think your property might need underpinning, or if you have any questions about our services, we encourage you to schedule a consultation with us today. We will send one of our experienced engineers to assess the situation and provide you with a proposal for the work that needs to be done. Contact us today to get started!

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Why Choose Us
for Your Underpinning Needs?

There are a number of reasons why business owners in Perth choose us when they need underpinning services

We have years of experience in the industry

We are fully licensed and insured

We offer a variety of different services

We can tailor our services to meet your specific needs

We offer free quotes and consultations

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