New Steelpaint contract with Germany’s inland waterways

(Posted on 10/11/25)

Steelpaint GmbH has reported strong growth in orders for corrosion protection coatings on Germany’s inland waterways, with a succession of new contracts awarded by local authorities and hydraulic engineering contractors throughout 2025.

Among the raft of new projects is the work WSA Main is carrying out on the Main River at Viereth-Trunstadt. The Main is a major tributary of the Rhine forming one of Europe’s most important inland transport routes between the North Sea and the Black Sea.

Steelpaint’s special coatings will be applied to a two-field rolling weir as part of a maintenance and renewal programme to extend the life of key hydraulic assets. Surface preparation and application is being carried out by Muehlhan Deutschland GmbH, which is responsible for the onsite works.

The project, which began in September 2025, involves replacing an ageing two-component epoxy system supplied by another manufacturer with Steelpaint’s advanced polyurethane-based coating system, comprising Stelpant-PU-Zinc, Combi 300 and Stelcatec-L-TC, a UV-resistant topcoat.

Applied in multiple layers to a total dry film thickness (DFT) of about 580µm, the coating provides long-term protection against corrosion, turbulence, abrasion and UV degradation. Steelpaint is supplying coatings for a steel surface of 500m2 and developed to ensure durability and reliability under varying water levels and hydrodynamic stress.

The project adds to a growing list of inland-waterway applications that have turned to the company’s moisture-curing polyurethane systems over the past year.

Other recent and ongoing references include the Hooksiel lock in Wilhelmshaven; sections of the New Brunsbüttel lock, Kannenburg lock in Templin; the Schmidt Canal sluice gates in Hamburg; and hydraulic works in Erlabrunn (WSA Main), Koblenz (Model lower gates) and Niegripp.

Frank Müller, Head of Sales at Steelpaint, said the company is seeing rising demand across Germany’s river infrastructure.“We are witnessing continued growth from Germany’s inland-waterway authorities, who increasingly recognise the durability, ease of application, logistical advantages and environmental benefits of our moisture-curing polyurethane coatings,” he said. “Projects such as Viereth-Trunstadt confirm SteelPaint’s position as a trusted supplier for critical public-sector infrastructure.”

Dmitry Gromilin, Steelpaint’s Technical Manager, said the system offers clear advantages over conventional epoxy coatings. “When applied at the correct DFT, the combined benefits of Stelpant-PU-Zinc, Combi 300 and Stelcatec-L-TC provide the ideal solution for exposed weir and dam environments where moisture and drying time can be variable. The new Stelcatec-L-TC topcoat has a much faster drying time, low-VOC formulation, lower water absorption, and a smoother surface finish.”

Gromilin said the project demonstrates a continued commitment to maintaining Germany’s inland-waterway infrastructure. “The goal is to ensure the reliability and safety of water-control structures. By selecting proven coating systems that combine durability, environmental compliance and ease of application we can help authorities achieve a longer service life with minimal maintenance interruption.

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