Fescon Primer KP

Product description

Fescon Primer KP is a water-soluble, synthetic rubber latex. Used as an adhesion promoting primer in the Fescoseal A+B waterproofing system. For indoor use.


  • Concrete and cement based levelling compounds, plasterboard, floors with old adhesive residue and other such substances reducing adhesion.
The product is suitable for use on sites with a Nordic Swan Ecolabel.

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EAN code Product name Product number Package size
6416841769046 FESCON PRIMER KP 76904 5 l
6416841769015 FESCON PRIMER KP 76901 10 l


  • Concrete and cement-based levelling compounds: 1 part of primer and 3 parts of water
  • Bases that do not tolerate moisture, such as plaster of Paris, wood, chipboard and plasterboard: do not thin


Pretreatment of the base
  • Remove dirt, dust, cement paste and all loose material from the base.
Applying the primer
  • The well-mixed primer is applied as a thin, even layer by brushing (avoid puddles).
  • The primer must have dried before further work; its drying time is 1-4 hours depending on the conditions.
  • Wash tools and equipment with water immediately.
  • Very absorbent bases (e.g. concrete floors cast on-site) require two applications
Waste handling

Storage and handling of waste. See the separate storage and disposal instructions https://www.fescon.fi/en/material-bank

Technical information

Material usage

solid surfaces: approx. 10 m2/l
porous surfaces: approx. 6 m2/l

Package size 5 l and 10 l

1 year in a warm location


1 l = 1 kg

Lowest usage temperature

+ 10°C

Drying time

1-4 h depending on the conditions

Thinner water
Method of application brushing
Transport Warm transport

The information is based on tests and practical experience. We cannot affect conditions at the work site so we cannot assume responsibility for the end result affected by local conditions.


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