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Ground engineering

Subsidence is unfortunately a common problem in many countries all over the world. The problem can occur in both new and old buildings and structures. In most recent years building on a poor soil, poor quality of construction, urbanisation and climate change have increased the demand for solutions to subsidence problems.

Why do buildings subside?

Buildings and structures can subside for various reasons, but it often begins when the soil conditions change. In particular, buildings and foundations that are on clay based soils often subside because the clay shrinks and swells when there are changes in the water content of the soil. In addition, vegetation or large trees that are near the foundations can cause subsidence problems, as the roots absorb water from the ground, causing the ground to shrink. The risk of this happening is greatest after a long dry period when thirsty plants send their roots under building foundations in search of water. Subsidence problems can also occur when water leaks from damaged sewage pipes. The water makes the soil softer or rinses it completely from the ground. When the bearing capacity of the soil changes, the building starts to move and also subside.

When a building subsides it creates problems for the occupants. To live and work in a subsided building can be uncomfortable or even dangerous. Doors and windows can be trapped, unwanted thresholds and sills can occur on the floor, and pipes, drains and industrial machines cease to work as they did before. The issue of subsidence can come up when you are trying to sell the building, as a subsidence problem that is not fixed can in the worst case scenario lead to the value of the building drastically dropping.

Solutions to subsidence problems in buildings

The unique geopolymer technology that URETEK utilises provides a fast, sustainable and safe solution to subsidence and settlement problems in buildings and structures. URETEK offer solutions for re-levelling, ground improvement and structural support. Because our solutions can be combined, we tailor-make a solution that fits your requirements.

The geopolymer technology is a Finnish invention which can be used for subsidence problems in both buildings and infrastructure. Unlike traditional piling and other support solutions, geopolymer technology can stop subsidence both swiftly and non-disruptively. Residents can stay in their homes and business operations can continue normally for the duration of the repair work.

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Identifying Subsidence

Common signs of potential subsidence include cracks, uneven floors and unexpected structural damage.

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Common Causes for subsidence

Subsidence can be caused by moisture in the soil or changes in environmental or surrounding circumstances.

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Cost of Subsidence

Untreated subsidence can lead to significant loss of property and structural value as well as costs to your business.

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Non-disruptive Technology

URETEK offers the geopolymer technology to solve subsidence problems with minimum disruption to normal life and business during remediation works.

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FAQ technical

Frequently asked questions about URETEK technology, our solutions for subsidence problems and about the geopolymer we use.

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