Corisilk is ready-mixed mineral silicate paint for internal and external use, which petrifies with the substrate due to a chemical reaction.

Application area

Thanks to its intrinsic qualities, Corisilk is utmost resistant to atmospheric pollution and can as such be applied in the most severe climatic circumstances.  Corisilk can be applied on all types of mineral substrates like bricks, natural stones, renders and plasters, etc.

Its mineral appearance and excellent light fastness, due to the use of natural pigments, make of Corisilk a very suitable paint for the restoration of historical sites and monuments, as well as for the application in contemporary architecture.

Furthermore, due to its typical mineral properties, Corisilk is utmost preferable for the use in a bio-ecological context and anywhere where the presence of bacteria is a reason for concern (food storage houses, hospitals, schools, etc.).

Preparation of the support

The substrate needs to be stable before applying Corisilk. Corisilk can be applied onto renders, plasters, brickwork, natural stone and insulating block masonry.  Remove pulverizing finishes or clean them with an adapted product, if still in a good condition.  Stone repairs, repointing and repairs to damaged brickwork and/or loose renders are preferable done by means of Unilit natural hydraulic lime mortars.

Old synthetic paint layers are removed preferably, certainly in external conditions.  If maintained, the – still well preserved – paint layers are cleaned with a solution of ammoniac (2 to 5%) and water and followed by the application of an adhesion layer of Corifondo.  


In order to prepare an unstable substrate, a layer of Fondosilk is applied first of all.  In the case of a porous and absorbent surface a layer of Fondosilk Consolidant is applied.  Fondosilk Consolidant is applied as well when large differences do occur in absorption.  On synthetic paint layers an adhesion layer of Corifondo is applied in internal conditions.  Never apply Corifondo in external conditions onto monolithical walls.

If the substrate is dry and work is done in hot conditions, it is recommended to humidify the substrate before applying the first layer of Corisilk. 

Before applying the first layer of Corisilk, the silicate paint is diluted first with 20% of Fondosilk.  The prepared mix is subsequently diluted with 20 to 30% of water, in function of the absorption rate of the substrate and the climatic conditions, and applied with a brush, paint roller or paint-spraying (airless, diluted with 30 to 40 % of water, nozzle 0,79mm) equipment.

The second layer of Corisilk is subsequently diluted only with 25 to 30% of water, in function of the absorption rate of the substrate and the climatic conditions.

The product is applied with a brush, paint roller or paint-spraying (airless) equipment. 

The temperature should be between +5°C and +35°C.  Do not apply Corisilk during foggy and windy weather or on surfaces exposed to direct sunshine.


Indicative consumption : 0,190 l/m² in two layers

The average coverage per 1 litre of silicate paint amounts 6 to 8 m² in two layers.

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