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Controlling Corrosion

CPT design and supply leading edge corrosion solutions for reinforced concrete structures. Manufactured in the UK, our unique products include the popular PatchGuard and DuoGuard systems for cathodic corrosion protection.

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DuoGuard™ Hybrid Anodes

DuoGuard Hybrid anodes can be used to protect against the corrosion of traditional steel reinforcement, pre-stressed and post tensioned concrete reinforcing elements without the need to break out sound concrete.

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Unique RAAC panel corrosion solution from CPT

CPT has been undertaking research on RAAC since 2019 as part of the prestigious Loughborough University RAAC Research Group. This culminated in CPT receiving the CPA 2023 Project of the Year award for work at West Suffolk Hospital in Bury St Edmunds. We are able to help survey, inspect and test buildings and structures with potential RAAC, and if deemed suitable, provide a solution to halt and prevent further corrosion of the steel reinforcement.

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Early Corrosion Involvement

With the total outstanding value of the bridge maintenance workbank for highways authorities in Great Britain estimated at around £6.8 billion*, CPT Surveys offer a comprehensive testing and investigation service designed to complement Early Contractor Involvement (ECI) engagements, culminating in a targeted and bespoke repair strategy for each individual structure.

*RAC Foundation 27th March 2024

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Forensic Building Pathologists

We understand concrete. We understand corrosion. As a Building Surveyor or Property Manager tasked with completing PPM Schedules, Dilapidation Programmes or Pre-acquisition Surveys, early engagement with CPT Surveys will help to reduce reactive maintenance spend and retain your clients’ buildings and assets in the best possible condition.

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Welcome to Concrete Preservation Technologies

At CPT we are proud to design and manufacture cutting edge corrosion control solutions for reinforced concrete structures and masonry encased steel framed buildings. From our UK base we manufacture and distribute our unique DuoGuard and PatchGuard systems worldwide.

If you manage or own a structure suffering from corrosion related cracking and spalling we would be delighted to hear from you. Our corrosion experts are on hand to assist you with concrete testing, specification preparation and supply of corrosion control materials. Our aim is always to extend structural life and minimise maintenance costs.

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We produce products which represent the latest technologies for reinforced concrete corrosion repair. Manufactured in the UK to ISO 9001 and ISO 14001, our innovative and proven products include the DuoGuard™ Hybrid anode and PatchGuard™ galvanic anode.


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Following initial assessment CPT’s BS 15257 level 4 qualified staff can design an efficient, cost-effective corrosion mitigation solution for your structure. We design a range of cathodic protection systems— from simple sacrificial anode designs to full ISO Standard EN12696: 2022.


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CPT offer a range of physical assessment services for reinforced concrete structures. We undertake testing of structures, analyse and evaluate the data obtained on site and provide a rapid appraisal of the extent of corrosion and possible mechanism.


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Learn from the industry experts about the causes of corrosion, survey techniques and the latest technological advances in corrosion control. CPT are pleased to offer a choice of one hour CPD seminars held at your premises.


Contact one of our specialists today for more information on any of our products or services.

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Latest News

13th Jun 2024

Welcoming Ryan Williams

We are thrilled to announce the appointment of Ryan Williams as our new National Sales Manager. Ryan joined us in May, bringing with him a wealth of experience in the …

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23rd May 2024

Providing invaluable advice for Building Consultancy practices

Steel Framed Commercial Building: The Parker Street building is a 6-floor steel framed structure in the centre of Liverpool managed by Building Consultancy practice Colliers. The building was suffering from cracking and …

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22nd May 2024

CPT Sponsoring 2024 British Parking Awards

CPT are pleased to announce that we are sponsoring this years Best Car Park Renovation category at the annual British Parking Awards on 13th September 2024 in London. The British Parking …

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