Pretensados del Norte, S.L. has provided its laboratories with the latest technology for the purpose of ensuring the quality of its materials at all times.

This fact has become acknowledged by means of the granting of the world’s leading Prestressed Steel product certificates, including

• AENOR in Spain,
• ASQPE in France,
• DIBt in Germany, etc.

In order to obtain these certificates, multiple tests took place in our accredited laboratories.

We have a fully equipped laboratory for:

• Traction tests with extensometry
• Bending tests
• Relaxation test