FG 340 Protective primer

The low-emission protective primer codex FG 340 is universally suitable for all absorbent, mineral substrates and protects against moisture from the installation mortar.


  • For adhesion prior to the application of codex thin-bed mortars and levelling compounds
  • On calcium sulphate screeds in connection with large-formate tiles
  • 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
  • On concrete and porous concrete
  • On masonry
  • For residential, commercial and industrial areas
  • For wall and floor coverings in interior and exterior areas


  • Safety - reliably protects absorbent surfaces from moisture
  • Rapid work progress - ready for use, application in only one work step, quick reliable drying
  • Economical due to high coverage
  • Superb bonding
  • Good penetration capacity
  • Universal application
  • Rollable as well as brushable
  • Excellent penetration
  • 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
  • Primer for ecoTec system composition

The Dispersion Primer codex FG 340 reliably protects moisture-sensitive substrates against moisture from fresh thin-bed mortars or smoothing compounds in just one coat.

Technical data

*At 20 °C and 65 % relative humidity.
Pack type

plastic canister

Pack size

10 kg

Shelf life

12 months



Ideal working temperatures

+ 5 up to + 25 °C


80 - 150 g/m²

Ordering information

Article Packsize Shipping unit
codex FG 340 / 10 kg 87715 10 kg
Pallet :
60 pieces

Quality seals and badges



Alnatura working world, Darmstadt

Reiner de Graaf Hospital, NL

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