25 February 2026·6 min
R
RAKUŠIĆ Corporation
Engineering Team · EN 1090 certified
EN 1090 Certificate: What It Means & Why It's Mandatory for Steel Structures
Ask your contractor just one question: 'Do you have EN 1090?' If the answer is 'no' — find another. Here's why.
If you're ordering a steel structure in the European Union — a hall, staircase, tower, or load-bearing structure — ask the contractor just one question: "Do you have EN 1090?"
If the answer is "no" — find another contractor. Here's why.
What is EN 1090?
A European standard defining requirements for the execution of steel and aluminum structures. It's mandatory for placing the CE mark on load-bearing steel structures in the EU.
| Part | Coverage |
|---|---|
| EN 1090-1 | Requirements for conformity assessment of structural components |
| EN 1090-2 | Technical requirements for steel structures |
| EN 1090-3 | Technical requirements for aluminum structures |
Why is it important for investors?
✓Quality assurance
✓Material traceability (3.1 certificate)
✓Controlled welds (NDT)
✓Legal compliance (CE)
✓Manufacturer liability
Execution Classes (EXC)
Execution Classes (EXC)
EXC1
Non-load-bearing structures
EXC2
Halls, stairs, railings
RAKUŠIĆ ✓EXC3
Bridges, crane runways
RAKUŠIĆ ✓EXC4
Nuclear, offshore
✓Rakušić Corporation is certified for EXC2 and EXC3 — covering most industrial, commercial, and infrastructure projects.
Rakušić certifications
| Certificate | Description | Status |
|---|---|---|
| EN 1090-1/-2 | Execution of steel structures | ✓ Certified |
| ISO 9001 | Quality management system | ✓ Certified |
| ISO 3834 | Welding quality requirements | ✓ Certified |
| CE marking | European conformity | ✓ On every element |
| EN ISO 9606 | Certified welders | ✓ All welders |