Concrete Restoration

Concrete Repair

During the manufacturing and construction process, surface irregularities and, at times, damage may appear on the exposed concrete surface (architectural concrete), which may affect the durability of the exposed concrete. The sustainable restoration of exposed concrete, followed by surface finishing and retouching, is an integral part of the exposed concrete production process.

Common types of damage include the following:
Air voids (lunker), gravel nests, failed joints, and anchor holes (Ankerlöcher), which often arise during casting. In the case of precast concrete (FT) elements, defects may arise due to improper transport, storage or installation.

Further damage may also occur during the construction process, such as:

  • Property damage resulting from negligence,

  • Technical openings and holes for cables or fittings,

  • Colour changes caused by improper cleaning,

  • Flaking and cracking caused by the weather.

Architectural concrete surfaces with a distinctive character

To carry out repairs to exposed concrete and remove damage in a sustainable manner, it is recommended that you engage a specialist who, in addition to the restoration work, will also carry out subsequent cosmetic and refinishing work on the exposed concrete. Based on defect reports, photographs or an on-site assessment carried out by one of our staff members, we document all types of damage to the exposed concrete, assess the extent of the repairs required and carry out all necessary measures from a single source.

Exposed concrete repairs can be carried out on a cost basis or in accordance with the service list. If exposed concrete repairs are carried out on a cost basis, the actual cost may vary depending on the circumstances and requirements. When carrying out work in accordance with specifications, we draw up the specifications and record any damage and defects that can be identified and described in detail, in order to ensure that projects are completed on time and within budget.

Typical patterns of concrete damage.
The reforms required are:

  •  Surface porosity
  • Sintered layers
  • Mechanical damage
  • Chemical damage

Project Example: Stuttgart 21

Project Example:
Stuttgart 21

betonkosmetik betonlasur hydrophobierung stuttgart 21
Stuttgart 21 #1
Stuttgart 21 Sichtbeton Sanierung
Stuttgart 21 #2
Stuttgart 21 Betonkosmetik
Stuttgart 21 Concrete Renovation
Stuttgart 21 Betonschutz
Stuttgart 21 Exposed Concrete

Discover how our expertise delivers outstanding concrete restoration and concrete processing for the impressive Stuttgart 21 project

Concrete Cosmetics, Concrete Staining, Water-repellent Treatment – Stuttgart 21

On the Stuttgart 21 mega-project, we apply the highest standards of precision and expertise to concrete finishing and processing. Our focus is on the targeted refinement of visible concrete surfaces on large-scale exposed concrete elements.

Our final finishing touches include precise retouching of the exposed concrete surfaces to ensure they blend seamlessly into the surroundings. Both the large-scale staining of the main surfaces and the local retouching meet the highest standards and are perfectly in keeping with the surroundings. All of this takes place at dizzying heights of 20 metres whilst we work on aerial work platforms and lifts.

At Stuttgart 21, we carry out large-scale concrete repair work, including the professional reworking of support elements removed during the project. This involves removing screw threads at the support points and using closure cones with precisely matched concrete surfaces. Through careful roughening, application and grinding, we ensure that the surfaces blend seamlessly into the surrounding areas. Local adjustments to joint patterns are also one of our specialities.

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