A coating specialist at Husen Stahlbau applying intumescent fire-protection coating to steel

Fire-Protection Coating for Steel

In its own coating facility, Husen Stahlbau applies intumescent coatings to the steel structures it fabricates in-house — using approved systems and trained specialists for fire-resistance classes R30, R60 and R90.

Fire Protection by Fire-Resistance Class

Preventive fire protection keeps structures load-bearing in a fire

Steel is strong and versatile, but it loses strength at high temperatures. Preventive fire protection ensures a steel structure holds up long enough in a fire to give people time to escape and emergency services time to act. Husen Stahlbau provides this protection with intumescent coatings that foam up in a fire, form an insulating layer and protect the steel for the required period.

Fire-Resistance Classes R30, R60 and R90

Depending on the building, its use and the applicable building regulations, different fire-resistance durations are required. Husen Stahlbau delivers classes R30, R60 and R90 — a tested fire resistance of 30, 60 or 90 minutes. The required class follows from the fire-protection concept for each project, and Husen Stahlbau implements the matching solution accordingly.

Coating in Our Own Facility

Husen Stahlbau applies the fire protection in its own coating facility, with trained specialists and systems whose suitability is backed by test certificates and approvals. Coating covers individual steel beams and columns as well as complete building frameworks. Because the coating is applied under controlled conditions in the workshop, consistent quality and short turnaround times are assured — regardless of weather or site conditions.

Also for Structures from Other Companies

At Husen Stahlbau, fire-protection coating isn't just part of our own projects — it's a standalone service in its own right. On request, Husen also coats steel structures that weren't fabricated in-house — a service for steel fabricators, construction companies and planners looking for a reliable partner in preventive fire protection.

Fire Protection and Steel Construction from a Single Source

Combining structure and fire protection at Husen Stahlbau means fewer interfaces and less coordination effort. To learn more about how Husen works efficiently in Surwold, visit One Partner for Everything.

Preventive fire protection keeps structures load-bearing in a fire

FAQ

Frequently asked questions about passive fire protection for steel

We coat your steel structure in line with the fire protection requirements using an intumescent coating. We recommend a two-component coating: with the technically superior 2K material we apply coats faster, independent of the weather and with higher mechanical resistance, saving time and money while delivering better quality than a 1K coating. Because structural design, steel construction and fire protection come from one company, we can influence the structure as early as the engineering stage and dimension it so that structure and coating are optimally balanced in terms of cost.

The number stands for the minutes a steel structure must withstand a standard fire: 30, 60 or 90 minutes. The fire brigade needs this time to attack the fire and rescue people and animals, because above a certain temperature steel loses its load-bearing capacity: there is a risk of collapse and danger to life. Under the older German standard DIN 4102 the classes are called F30/F60/F90, under the European standard EN 13501 they are R30/R60/R90. Both mean the same thing. In a fire, our intumescent coating foams up and forms a protective layer that keeps the structure stable for the required time.

We coat steel structures to classes F or R 30, 60 and 90. We are certified by the manufacturer, trained in the application and experienced. The coating is applied by specialist staff in our own workshops with our own coating facility.

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Preferably in the workshop: under controlled conditions in our halls, rain and temperature play no role, which is how we guarantee consistent quality. Minor damage to the coating during transport and installation is unavoidable; we repair it professionally on site after installation.

Yes, we do, and we have sufficient capacity for it. It is most economical for you, however, if structural design, steel construction and fire protection coating come from one contract, namely from us. There are no interfaces, transport or coordination effort, and you have one contact who carries the warranty for all services.

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To the untrained eye it is hardly distinguishable from a conventional coating.

Yes, existing steel structures can also be coated retrospectively. It takes more effort than in a new building, but it is perfectly feasible. Get in touch and we will assess your existing structure.

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The price always depends on the individual case, but we calculate and quote it within a few working days. Worth knowing: the scope of fire protection is specified by the fire safety report and the building authority, so the structure has to be protected anyway. That is why we recommend the 2K system straight away: it is weather-resistant, doesn’t delay construction and allows you to move in and start operating safely and quickly.

Ideally the structural calculations and the fire safety report.

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Yes, the coating must be inspected at least every two years. Any damage must be documented and repaired by certified specialist staff. We offer maintenance contracts for this on request.

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[Translate to English:] Rücker

[Translate to English:] Rücker

“Husen Stahlbau hat unsere neue Lagerhalle zuverlässig, termingerecht und in hervorragender Qualität umgesetzt. Besonders überzeugt hat die fachliche Kompetenz und transparente Kommunikation.”

Thomas Heidelberg

Leiter Technischer Einkauf, Rücker GmbH

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We are happy to answer your questions

In a no-obligation conversation, we answer your individual questions and discuss your project together.

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