Synthetic resin based primer in water dispersion for absorbent substrates

Water based acrylic primer for absorbent substrates.  It creates uniform absorbency, ‘stabilizes’ and strengthens the substrate. Suitable for gypsum boards, particle boards, cement boards and absorbent wall substrates before the application of coatings such as ceramic tiles, marble and paints or spatula putties such as NOVAFINA or STUCCOFINA, as well as before the application of organic coatings such as PLANOCOLOR ACR or PLANOCOLOR SLR, but also adhesives such as NOVABOND PS FLEX or NOVABOND PS FIBER. Applied undiluted. Part of the (External Thermal Insulation Composite System (ETICS), NOVATHERM SYSTEM.

Consumption: Depending on the application
Color: Whitish
Package: Containers 1 L, Containers 20 L, Containers 5 L
Pallet: 432 L, 480 L


  • NOVADUR W micronized water-based acrylic primer:
    • is applied:
        • in internal & external areas
        • on absorbent surfaces such as cast concrete, cement based screeds, brickworks, renders, etc.
        • on gypsum and cement boards
    • creates suitable adhesive conditions for:
        • renders, cement based plasters
        • organic dispersion plasters
        • tile adhesives, cement-based compounds, etc.
        • water soluble paints
  • Form: liquid
  • Density: 1,05 ± 0,05 kg/L
  • Application temperature: from +5°C up to +35°C

Substrate preparation:

The application surface must be solid, clean and free of dust, oils, old coverings and loose parts.


Stir well before application. Apply evenly one coat using a brush, roller or an airless spray. Depending on the absorbency of the substrate and the desired degree of reinforcement it can be diluted with water 1:1. Application of the covering can take place as long as the surface is slightly dry.


  • Do not apply when the substrate & ambient temperatures are lower than +5°C and higher than +35°C
  • Do not apply on surfaces with humidity that exceeds 4%
  • Protect the surface treated with NOVADUR W the first hours from rain
  • It is recommended that the application be made by a professional user

Legal Notice:

The technical data and recommendations included or listed are the outcome of laboratory measurements combined with our current knowledge and expertise. All information and specifications should in any case be considered as indicative. The Company makes every effort to ensure the accuracy of the information provided herein. Product specifications are subject to change without notice and may differ from product images. Due to printing and application procedures, the colors displayed here should be considered as indicative. In particular, variations in materials, substrates and on-site application conditions are such that no warranty can be given or implied reference to the suitability of the materials for trading or use for a particular purpose and conditions of any given project. Anyone interested in using the product must ensure beforehand that the product is suitable for the intended use and in any case, the user is solely responsible for any outcomes associated with the use of product. Among other things, the Company is not responsible for any normal wear or tear from environmental or any other unsuitable conditions. We reserve the right to revise or change the data herein without prior notice. Restrictions and disclaimers apply to the extent permitted by applicable law. The Company has a Technical Support Department, which has exclusive responsibility for providing technical advice and solutions, addressing relevant issues. Requests to the Technical Support Department are addressed and answered, only in writing. For the latest and valid version of the Technical Data Sheet, the user of the material must refer to our website