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Steel frame buildings with masonry cladding constructed in the first half of the 20th Century often suffer from corrosion of the steelwork due to moisture ingress. If the stone or brick masonry is in intimate contact with the steel frame the resultant corrosion on the steel surface causes cracking in the facades.

The traditional way of dealing with the problem is to remove the cracked masonry, prepare and treat the exposed steelwork and then reinstate. However this is an expensive procedure and does not prevent further corrosion occurring in other areas of the steelwork. It is also not possible to expose the full perimeter of the steelwork without significant propping of adjacent masonry.

We have been using impressed current cathodic protection systems for corrosion control in reinforced concrete since 1988. In 1991 we adapted this technique for steel framed buildings completing the first commercial contract ever undertaken at the College of Science in Dublin which houses the Department of the Taoiseach. The steel beams encased with stonework over the main entrance are protected with an impressed current cathodic protection system.

Since then we have pioneered the use of impressed current cathodic protection for steel framed buildings and protected many historic buildings including Selfridges, London Underground Stations, The Welcome Trust and the original Boots the Chemist shop in Nottingham.

Our service is for the design, installation and on-going management of the corrosion control system to minimise future maintenance.

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