Zinker shares a case study on restoring protective coating on a dredger for sand and gravel extraction

Zinker has shared a case study on restoring protective coating on a dredger used for sand and gravel extraction in the town of Alexandrov. Experts note that not all metalwork takes place under "convenient" conditions.

Zinker has shared a case study on restoring protective coating on a dredger used for sand and gravel extraction in the town of Alexandrov. Experts note that not all metalwork takes place under "convenient" conditions. There are facilities where protection must function in constant contact with water, moisture, mechanical load and a demanding operating environment. One such example is a dredger used for sand and gravel extraction. The task facing Zinker's specialists was the restoration of lost coatings on the vessel hull, including both the above-water and below-water sections. A zinc-based compound was used to carry out the works. Depending on the section and working conditions, a brush and a spray gun were employed. "This approach made it possible to work both with more accessible surfaces and with areas requiring more precise treatment. Vessels and equipment operating in aquatic environments always place heightened demands on metal protection," writes Zinker. According to the specialists, it is also important to take into account the environmental conditions: constant contact with moisture, variable load on the hull, the complexity of restoring already damaged coating sections, and the need to treat different zones of the facility using different methods.

Zinker is a participant in the International Specialised Exhibition Steel Structures'2026 in Moscow, where from May 26 to 28 the company will conduct master classes on zinc coating technology.