Berger Duracast Nano Si

Penetrative solvent based silane-siloxane co-polymer resin premixed clear top coat for stone texture coatings.

An ideal clear top coat for DuraStone and Dura Cermamic range of stone coatings. It protects stone aggregate texture against harsh climatic conditions.It is Fungus and algae resistance. It has excellent water resistance while allowing water vapour to permeate creating a breathable system. It has excellent texture impregnation along with excellent adhesion and bonding strength.


See all
Excellent Dirt Pick Up Resistance (DPUR)Advanced Anti-Algal FormulaWater Resistant
Finishes -Low Sheen

Surface preparation

Scrape off all loose, excess microbes as much as possible using a scraper. A high pressure water wash may also be used to remove loose microbes, surface contaminants etc. If grease is present, clean using a mild detergent or solvent and rinse thoroughly to ensure complete removal of the grease, detergent and solvent.

Application procedure

Apply using conventional air spray. The tip size and air pressure can be adjusted / varied to obtain the desired texture size and pattern. Top coat with Duracast Nano Si for better weather resistance and dirt pick up resistance.

Tools you can use


May be used for difficult shapes or touch up purposes



May be used for difficult shapes or touch up purposes

Available Packs


1 Coat
7-9 Sqm/L**


On well-prepared surfaces, as per the painting system recommended. Please refer to the Product Data Sheet for surface preparation and method of application.

** Actual coverage may vary from the quoted coverage due to factors such as method and condition of application, surface roughness, and porosity.

Popular system

  • Base Coat
    Berger DuraUnder
  • First Coat
    Berger Durastone
  • Second Coat
    Berger Duracast Nano Si

Other systems

  • Base Coat
    Berger DuraUnder
  • First Coat
    Berger DuraCeramic
  • Second Coat
    Berger Duracast Nano Si
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