• concertina

  • concertina


The Concertina is a type of barbed wire made in galvanized or stainless steel, manufactured in large coils which can be expanded like an accordion, characterized as an element of passive safety.



  • Galvanizado


Roll diameter: 300mm  450mm  730mm  980mm  980mmHD  1250mm
Recommended maximum distances: 4m  8m  10/12m  10/15m  8m  8m
Staples per coil: 3  3  5  5  7  9
Stretched roll diameter: 250mm  400mm  620mm  820mm  850mm  1050 mm
Around spiral roll: 80  54/55  54/55  54/55  54/55
Amounts in container 6m/20′ to embark: 5000  3200  1500  1240  1200 – 450
Technical characteristics

Thanks to the shape of the spiral, its installation does not require any type of complex work, can also be installed in walls, nets and other vulnerable areas.

The design of the concertina, provided with high resistance blades, has a great capacity of penetration and impact, producing a deterrent effect on potential intruders.



The main function of the concertina is to form high security borders, as a deterrent to prevent the intrusion from outsiders to a restricted area. The concertina is used in various sectors of industrial, military and governmental constructions among many others.



All phases of the manufacturing and installation process, as well as the life cycle of a product, are decisively influenced by its design. Our products are specifically designed to be corrosion-resistant and to ensure a higher level of security, without forgetting about the aesthetics.


As an option, you may want to incorporate several strands of barbed wire into all of these products, for installations which require an especially high level of security. The poles are equipped with a zipper for the longitudinal mounting of accessories as well as all necessary clips to withstand the tension of the wires.


All our steels are manufactured according to the provisions and procedures of the Spanish Basic Document on Structural Safety, and all procedures are designed to fulfill the specific conditions included therein.
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