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Deep penetration primer

Deeply penetrating and very effective primer intended for enhancing and stabilising the substrate. Manufactured using a new technology. Based on a fine-grained acrylic water dispersion. Thanks to its formula, the primer penetrates the plaster up to 10 mm deep. It is necessary to enhance weak surfaces of the walls. MFA Plus protects the walls against humidity and improves adhesiveness of the subsequent layers, increasing their efficiency.


Intended for indoor and outdoor use. For all kinds of walls and foundations. As a multi-purpose product, it can be applied to

  • all kinds of mineral substrates,
  • cement-lime plasters,
  • concrete, fibre cement,
  • putties, 
  • gypsum-carton boards, screed, etc.
  • not recommended for porous surfaces.

Recommended to new substrates and substrates in the maintenance phase.


  • compatible with all kinds of indoor and outdoor water-based paints, improves adhesiveness of the subsequent products applied to the surface,
  • valuable base for paints, plasters, concrete, gypsum-carton boards,
  • penetrates the substrate – up to 10 mm deep,
  • enhances the substrate and improves the efficiency of products,
  • regulates the absorbency of mineral substrates,
  • for indoor and outdoor use,
  • protects against humidity.

General application principles

All work on a given substrate should be performed and finished with products from the same production batch, with the same serial number, as there may be slight differences in the base that may affect the final colour and effect. The instructions to perform the work in a professional manner are based on basic occupational health and safety rules, and guidelines described in the following sheets: technical, application system, adapting work to conditions (i.e. temperature, humidity, drafts, etc.), and proper surface preparation.

Before we begin painting, it is very important to verify the technical condition of the substrate and follow the guidelines related to its proper preparation. The substrate should be: stable, dry, cleaned, all cavities should be filled and any fungi should be removed if necessary. Dust must be removed from the surface, as well as any built up dirt and grease. If the surface does not meet the requirements, old layers of paint, which should adhere to the substrate well and endure the adhesiveness of the new finish, must be removed mechanically. When working on mineral textures that have never been painted, ensure they are clean and free of defects (new plasters should be painted after 3-4 weeks of stabilisation or after the time indicated by the producer of the plaster, putty, filler, etc.)

In order to achieve a level and homogeneous surface on a given substrate, the work should be performed by a single person using the same tools, with a short application time (without pauses) for each coat so the whole wall may be covered with wet paint.

The final effect depends on the user's skills, tools, and the amount of product applied. Therefore, the efficiency, samples, and other parameters presented here are illustrative and approximate only, calculated based on several years of experience and research, applicable to optimal climatic conditions (approx. +23°C and 65% humidity). The parameters may change in other conditions. However, due to a great variety of substrates and application conditions, it is necessary to verify the product and its effectiveness by testing it individually under given conditions.

If the surface requires washing, the whole wall must be washed with similar motions and using the same tools and liquids. Wash the tools with water immediately after use. ECORSON is not responsible for non-intended use of the product and uses inconsistent with the principles, also when used beyond our reasonable control.

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Drying time: the next layer after 7-8h
Numbers of layers: 2
Colors: colourless, uncoloured
Packaging: 1L/ 5L/ 20L
Storage: +5oC - +30oC
Temp. application: +10oC - +30oC
Efficiency: 10 - 30 m2 /l depending on dilution
Application: indoors and outdoors
Imposition: brush (wide brush), paint brush, spraying
Thinning: 1-3l of water per 1l of product
(Depends on the condition of the substrate)
Customs tariff: 32091000
Consuption: 0,03-0,1 l/m2 depending on dilution

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