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Cathodic protection

VolkerLaser is experienced in the application of both impressed current and galvanic cathodic protection systems. We also have experience in the installation of galvanic anodes to jetties and ports.

Cathodic protection is a technique to control the corrosion of a metal surface by turning it into a cathode of an electrochemical cell. Within the company, we have personnel trained to level 1 and 2 in accordance with BS EN ISO 15257 and can offer a full installation and testing / monitoring service. We can also provide a design and evaluation service to ensure buildability and effectiveness of your cathodic protection system. 

Cathodic protection is when an impressed current system introduces a computer-controlled direct current to the reinforcement, which prevents corrosion. A galvanic system uses strips of zinc or aluminium fixed directly to the reinforcement, which subsequently corrode in favour of the steel until they themselves need to be replaced.

VolkerLaser has experience in applying cathodic protection systems to structures to prevent against further corrosion and we pioneered the design and installation of a Zebra impressed current cathodic protection system on the refurbishment of the Wolverhampton Civic Centre Car Park; the first time the innovative permanent protection method was seen in the UK. 

A result of improvements on conventional anode systems, the Zebra anode is durably bonded with concrete by means of a layer system. This eliminates the possibility of inadequate adhesion of a mortar system, potentially causing a loss of functionality. The minimal coating thickness leads to a reduced surface load, and as a result, this anode system offers significant structural advantages, particularly with respect to concrete repairs of a critical nature. The integrated power distribution ribbon distributes current evenly in the conductive Zebra coating, which is applied in the system’s signature black and white stripes, providing aesthetic benefit.

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