FG 500 S 1-C PU Barrier Primer

The 1-component PU protective primer codex FG 500 S protects moisture-sensitive substrates from mixing water from overlying levelling or adhesive layers.


  • For the installation of large-format tiles calcium sulphate screeds
  • For the reinforcement of absorbent, mineral substrates
  • In residential, commercial and industrial areas
  • For wall and floor coverings in interior areas
  • On calcium sulphate and cementitious screeds, concrete
  • On heated substrates
  • On precast concrete elements
  • On gypsum, lime cement and cement plaster
  • On gypsum carton and gypsum fibre boards


  • Ideal moisture protection in combination with protective primer codex FG 500 H
  • Ready for covering after only 2.5 h in combination with FG 500 H
  • Ready to use, quick and reliable in application
  • Roller or levelling compound application
  • Excellent penetration
  • Fast-drying, therefore rapid work progress
  • Thanks to strong colours easy control of the primed surface
  • Highest quality level 4 according to DGNB criterion ENV 1.2 Risks for the local environment
  • EMICODE EC1 PLUS / very low-emission
  • For healthy construction

The protective primer FG 500 S effectively protects substrates from the effects of moisture from levelling compounds and adhesive mortars.

In combination with the adhesion primer FG 500 H, the required adhesion with the overlying layers is achieved.

Technical data

*At 23 °C and 50% relative humidity.
Pack type

plastic canister

Pack size

10 kg

Shelf life

9 months



Minimum working temperature

substrate min. + 15 °C

Ideal working temperatures

+ 15 up to + 25 °C


1,5 - 2 hours*

Ready to be worked on

1,5 - 2 hours*


80 - 150 g/m²

Ordering information

Article Packsize Shipping unit
codex FG 500 S / 10 kg 70196 10 kg
Pallet :
60 pieces

Quality seals and badges



Fire department, Engerazhofen

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