Understanding EN 1090-1:2009+A1:2011 – Essential for Steel and Aluminum Structures

If you work in the construction or metalworking industry, you’ve probably heard of EN 1090-1:2009+A1:2011. This European standard is essential for manufacturers of structural steel and aluminum components, ensuring safety, reliability, and compliance with legal requirements.

What is EN 1090-1:2009+A1:2011?

EN 1090-1:2009+A1:2011 sets the requirements for conformity assessment of steel and aluminum structures. It mandates that manufacturers demonstrate their ability to produce components that meet structural integrity and performance standards before placing them on the market.



Why is This Standard Important?

Compliance with this standard is crucial because:

  • It’s legally required in the EU – CE marking is mandatory for steel and aluminum structures.

  • It ensures structural safety – Preventing failures in buildings, bridges, and other constructions.

  • It enhances market access – Meeting EN 1090-1 requirements allows businesses to operate within the European Economic Area.

Key Aspects of EN 1090-1:2009+A1:2011

  1. Factory Production Control (FPC) – Ensures manufacturers maintain quality control throughout production.

  2. Welding Requirements – Compliance with EN ISO 3834 for welded components.

  3. CE Marking Obligations – Manufacturers must issue a Declaration of Performance (DoP) to affix the CE mark.

  4. Execution Classes (EXC1–EXC4) – Defines different levels of structural complexity and performance requirements.

Who Needs to Follow EN 1090-1:2009+A1:2011?

  • Steel and Aluminum Manufacturers – Ensuring structural components meet European standards.

  • Construction Companies – Using certified materials to comply with EU regulations.

  • Regulatory Bodies & Inspectors – Verifying compliance for market approval.

Final Thoughts

EN 1090-1:2009+A1:2011 is not just about compliance—it’s about guaranteeing the safety and durability of steel and aluminum structures. If you’re in the metal construction industry, understanding and implementing this standard is key to maintaining credibility and market access.

For more insights and guidance, visit EN 1090-1:2009+A1:2011

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