The Duero products, as our metal security barriers (metal road barriers) are sold with all the quality control guarantees, as established by major existing international standards.
All our vehicle containment systems have been developed by our own R+D+I department, and are later crash-tested and CE certified by the relevant certification agency. We have systems approved by NF (French), Spanish Standard Systems, Portuguese Systems.
All our products are fabricated on hot-dip galvanized steel, in accordance with either European standard EN ISO 146, British Standards Institutions (BSI) or AASTHO regulations, depending on customer requirements. If necessary, we can also galvanize under different regulations or with greater thicknesses to meet customer specifications.
We galvanize under any regulations depending on the needs of the client, being able to galvanize with greater thicknesses if they need it.