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Weber - Saint-Gobain

Cathodic protection

Impressed current cathodic protection can control corrosion, counteract the incipient anode effect and can reduce the amount of concrete removal. Weber has a range of special low resistivity conductive mortars that can be used as overlays and repairs in conjunction with professionally designed CP systems.


BS EN 1504-9:2006

BS EN 1504 Principle 10 is concerned with cathodic protection of the concrete structure. This is appropriate where chloride contamination is significant or carbonation has reached the reinforcement resulting in a high risk of corrosion. Impressed current cathodic protection applied in accordance to EN 12696 can control corrosion, counteracts the incipient anode effect and can limit the amount of concrete removal.


BS EN 1504-3 & BS EN 12696:2000

BS EN 1504-3: Structural and non-structural repair

BS EN 12696:2000: Cathodic protection of steel in concrete

Methods of protection based upon the BS EN 1504 Principle 10 is the use of the following:

  • 10.1 Applying electrical potential.

Note: Protection should be carried out by CP experts involving CP design to optimise the long-term effectiveness of the system.

Solution with the following Weber products

Solution 1

webercem mortar CP

Low-resistivity, polymer-modified, Highways Agency Class M patching mortar and render for cathodic protection

webercem spray CP

Low-resistivity, dry-spray, structural repair concrete

Five Star Repair Concrete CP

Shrinkage-compensated, highstrength, low-resistivity, flowing repair concrete for recasting in conjunction with cathodic protection systems.

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