ANTI CARBONATION COATINGS

Concrete structures deteriorate with time and deterioration is much faster in extreme environments associated with high humidity, chlorides and CO2 in the atmosphere. Ingress of moistures and deleterious substances such as chloride ions, CO2 and other chemicals take place through the pores of the concrete by the process of diffusion and initiates the corrosion of reinforcement and subsequently damaging the RC (Reinforced Concrete) structures.

Protection of RC structures by a suitable protective coating is a well-accepted method for increasing the service life in such an extreme environment. Without a protective coating the degradation of RC structures becomes very fast for corrosion of embedded steel reinforcement. This is where anti-carbonation coating comes. Anti-carbonation coatings are surface treatments that have a high resistance to carbon dioxide. They protect concrete from carbonation by acting as a carbon dioxide barrier. Anti-carbonation coatings are surface treatments that have a high resistance to carbon dioxide. They protect concrete from carbonation by acting as a carbon dioxide barrier. But prior to the application of coating, it is very important to study the failure pattern and consider other products for repair treatment.

Advantages

• These coatings are excellent barriers to penetration & attack of carbon dioxide, water, sulphates and chloride ions.

• The coating protects the structures from adverse marine and coastal environments.

• They provide excellent adhesion to substrate, with a high film build-up.

• They also provide excellent algae / fungal resistance.

• Since they are single components, straight way applied from the container, by brush, roller or spray application.

• They provide a tough, flexible & durable coating.