FG 300 Primer

codex FG 300 is a dispersion primer for absorbent, mineral substrates. The FG 300 is versatile, water-dilutable and easy to use and offers highest safety due to its good penetration capacity.

Consumption calculator


  • For adhesion prior to the application of codex thin-bed mortars and levelling compounds
  • 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


  • Ready-to-use, quick and reliable in application
  • Quick drying
  • Excellent penetration
  • Low-spatter application
  • Binds surface dust
  • Regulates the absorbency of the substrate
  • Prevents too rapid removal of water from the mortar
  • Improved adhesion
  • Alkaline-resistant
  • Installer-friendly
  • Dilutable with water
  • Waterproof and frost-resistant
  • Highest quality level 1 according to DGNB criterion ENV 1.2 Risks for the local environment

The ready to use dispersion primer codex FG 300 is a universally usable primer for all mineral substrates.

Technical data

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

can, plastic canister, drum

Pack size

1 kg, 5 kg, 10 kg, 120 kg

Shelf life

12 months


light green

Minimum working temperature

+ 5 to + 25 °C

Ideal working temperatures

+ 15 to + 25 °C


1 - 12 hours* (see Application)


100 - 150 g/m²

Ordering information

Article Item no. Packsize Shipping unit
codex FG 300 / 120 kg 3159 120 kg
2 drums
codex FG 300 / 10 kg 6571 10 kg
60 canisters
codex FG 300 / 1 kg 6695 1 kg
30 cartons
12 cans
codex FG 300 / 5 kg 6697 5 kg
90 canisters


Wine testing laboratory in Osann-Monzel

Sales area REAL Markt, Bremen

The Onya Hotel Resort & Spa, Bellwald, CH

Elderly residence Cologne

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