Blog
Our services at a glance
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On-site advice
The aim of our free on-site consultation throughout Switzerland is to assess the subsidence damage to your house, recommend measures to rectify the damage and, if you wish, provide you with a competitive quote for ground PUR injection.
Further information
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Stopping buildings from settling
The most efficient method for stopping building subsidence is to consolidate the subsoil using PUR injections. Here, foaming polyurethane is injected into the foundation substrate over several depth levels, restoring the settlement-free load-bearing capacity of the subsoil.
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Lifting a house out of an inclined position
Injecting polyurethane into the ground beneath the concrete floor slab increases its volume, allowing the house to be raised above a certain level of ground tension.
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Increase the load-bearing capacity of the subsoil
Increasing the structural load increases the soil pressure under the foundation, which can lead to settlement. The load-bearing capacity is increased by injecting PUR into the foundation so that the additional structural load is supported by the foundation without settling.
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Seal leak in excavation pit wall
Soil PUR injections are used to seal gaps and unwanted leaks in foundation walls against pressing groundwater. The process is also suitable for creating sealing walls and floors so that, for example, pits for new lift underpasses below the groundwater level in existing buildings can be excavated and concreted without a special excavation pit sealing wall and only with open dewatering.
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Sealing artesian wells for geothermal drilling
When sinking geothermal boreholes, there is a risk of artesian seepage, where pressurized groundwater rises from the depth of the borehole. By injecting foaming polyurethane at three depth levels around the borehole, a three-stage sealing collar is formed around the borehole in the injection area, which prevents the water from flowing around the sealing point in the borehole and permanently stops the flow of water rising from the depths.
Further information
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Our customers are satisfied
I would like to thank you for your efforts on the construction site. We very much appreciate the fact that you were able to seal the artesian at short notice.
Michael Zurkinden, Pensier
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