Berger DuraUnder

Premium grade undercoat specially formulated to prepare the substrate for good bonding of stone texture coatings.

This is the recommended undercoat for DuraStone and Dura Cermamic range of stone coatings.It has excellent adhesion to substrate and bonding strength. It is designed to hold the additional weight of stone coatings tightly to the substrate providing long term durability. It also has excellent opacity and sealing properties. It comes in a variety of colours for groove creation.


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Resistant to Alkali and efflorescenceAnti-CarbonationExcellent Intercoat Adhesion
Finishes -Matt

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

Stir contents of the can thoroughly before use. Thinning is not usually required, however, if desired, do not exceed thinning ratio mentioned in the product data sheet.

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
2-2.5 Sqm/Kg**


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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The shades displayed on this website are indicative only and may vary from the actual colours due to variance in monitor calibration and resolution as well as screen settings.
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