Project: Low-rise residential building made of brick
Location: Moscow region
Year: 2019
Duration: 2 days
Technology: DEEP INJECTION & SLAB LIFTING
Restoration and stabilization
of a low-rise residential building
Problem
The back of the house started to sink. Cracks appeared on the walls and ceiling.
Solution
Alignment of foundation structures
The owners of a residential house in Reutov were concerned that the rear part of their house was settling and that costly repairs might be needed if the settlement was not stopped. A large crack had formed in one wall, and cracks appeared along the ceiling cornice of three separate rooms. The damage indicated that the entire rear part of the house was settling relative to the rest of the building.
Problem
The largest crack ran from the floor to the lintel on the rear wall of the house and split both the lime mortar (which is most common) and the bricks themselves. Significant settlement of the foundation soil caused the walls to settle up to 54 mm over approximately 17 linear metres along the foundations. The consequences also affected two doors, which swung open whenever they were not properly closed.
The homeowners consulted Uretek to address the root causes of the house's structural movement. The owners also wanted the assurance that their house would not suffer further damage.
The project in detail
Uretek developed and implemented its own engineering project for injecting Uretek resin into the foundation soil along the external walls at the rear of the building. The “deep injection” resin method aims to maximise the bearing capacity of the soil beneath the house and provides a long‑term solution, reducing the risk of further settlement to a practical minimum.
The project was completed in two days. The homeowner had no reason to use any excavation or other traditional cementing methods.

Task
Uretek Ground Engineering staff were required to lift, level and restore the functionality of the house structures along 17 linear metres at the rear of the building. A solution was needed for the skewed doors so that they would function according to the original design. Uretek resins had to be injected into the foundation soils beneath the footing to help lift and level the entire rear part of the property, while improving the bearing capacity of the soil to reduce the risk of further settlement.
Carrying out work using Uretek technology minimises discomfort for the homeowner. The practical inconvenience is that the property owner knows that three people from the contractor company are on site without noise or mess.
Solution
When the polymer resin is injected into the soil, the material rapidly expands, strengthening the foundation and re‑levelling the building quickly and efficiently. Uretek technologies were selected for this project because of their controlled application process, which eliminates the risk of adding excessive additional load to the building during the lifting process. The resin was pumped deep into the foundation at depths from 600 mm to 1800 mm, while the team of technicians continuously monitored the process using laser levels to track the foundation lift millimetre by millimetre.
The implemented solution successfully strengthened and lifted the double‑brick structures quickly and safely. It was also able to close the gaps on the lintels and the large external crack on the wall. As a result, the doors began to function properly for the first time since the crack appeared more than two years ago.
This successful project was completed within one day without disturbing the residents' lives. The solution also provided the family with peace of mind and the knowledge that their home is now stable and habitable for a long time. The homeowner noted that "the Uretek team of specialists was very friendly and hardworking."
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