Cementitious Paint Coating (CPC)

Cementitious coating refers to a coating that contains Portland cement as its main component and is held on the surface by polymers and adhesives to enhance bonding on to the pre-painted surface.

The Cementitious coating that is made of polymers provides high adhesion to both concrete and steel, it also provides protection from the effects of aggressive acid gases, moisture and chlorides and also resists chemical attack on the concrete or other substrates.

The coating is also based on inorganic materials that are not affected by UV degradation.

Proper selection of materials and their correct application is required for an effective cementitious coating.

Surface preparation is essential before applying this coating. The surface should be free from mill scale, oil, grease and other chemical contaminants.

The surface must be smoothed by sandblasting and the coating should be applied without delay after surface preparation.

The coating is applied with various methods such as casting, troweling or spraying, but spraying is preferable due to its ability to properly drop coatings to substrates that have an unusual geometry or have sharp bends or corners.

Cementitious coating is useful for both internal and external wall application.

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