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How to protect steel structures from corrosion
Steel structures

How to protect steel structures from corrosion

ISAR GROUP28 October 20264 min read

Corrosion is the hidden enemy of steel structures: if it is not stopped in time, it reduces load capacity and drives up repair costs.

Why corrosion is dangerous

Moisture, salt and industrial dust speed up oxidation on the steel surface. Rust starts as small spots, then thins the metal and weakens the joints.

Surface preparation

The life of any coating depends first of all on surface preparation. Abrasive blasting fully removes rust, old paint and dirt, and leaves the roughness the coating needs to bond well.

Choosing the coating

The coating is chosen for the conditions the structure will work in. Electrostatic powder coating forms an even, tough and long-lasting layer; multi-coat systems are also used for structures exposed outdoors.

Quality inspection

After coating, the film thickness is measured with a gauge and the surface is checked visually. A properly prepared and inspected coating helps the structure work for many years without extra repairs.

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