FG 550 2-C Epoxy Primer

codex FG 550 is a 2-C Epoxy Primer for absorbent and non-absorbent substrates. It is used as a system component for codex epoxy composite sealants and codex epoxy and PU adhesives.


  • For the installation of large-format tiles calcium sulphate screeds
  • For the reinforcement of porous or cracked substrates
  • As barrier of cement-based substrates with excessive residual moisture up to 5 CM%
  • For the production of epoxy repair mortars
  • For the production of epoxy levelling compounds
  • System primer for codex epoxy & polyurethane sealants and adhesives
  • In residential, commercial and industrial areas
  • For wall and floor coverings in interior and exterior 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
  • On metal substrates


  • High barrier effect against moisture
  • Excellent penetration
  • Reliable hardening properties even at low temperatures
  • Improved wetting of the substrate
  • Installer-friendly and low-odor
  • Waterproof and frost-resistant
  • 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 2-component Epoxy Primer codex FG 550 provides a secure barrier against moisture. The barrier works in both directions, to protect the substrate in case of moisture from above, as well as to protect the flooring in case of moisture from below.

Technical data

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

tinplate combination packs

Pack size

5 kg

Shelf life

12 months


brownish transparent

Minimum working temperature

min. 10 °C on the substrate

Ideal working temperatures

+ 15 up to + 25 °C

Mixing ratio

A : B = 1,9 : 1 parts by weight

Working Time/ Pot Life

25 - 30 minutes*


approx. 8 hours*

Set to foot traffic

at 10 °C after approx. 21 hrs
at 20 °C after approx. 8 hrs
at 30 °C after approx. 5 hrs

Final strength

3 - 5 days*


200 - 600 g/m²

Ordering information

Article Packsize Shipping unit
codex FG 550 / 5 kg 69747 5 kg
Pallet :
60 pieces

Quality seals and badges



Alnatura working world, Darmstadt

Boehringer Ingelheim

Hotel Fritsch, Lochau, AT

Protestant Hospital, Mettmann

Installation systems for screeds, floors and wood flooring

Machinery and special tools for substrate preparation and installation of floor coverings

Complete product range for installation, renovation and maintenance of wood flooring

Resin and cementitious floor finishes combining performance and design

Installation systems for tiling and natural stone

High quality painting, plastering and drywalling tools