EX 80 Flow Cement flowscreed

Thanks to its extremely low-shrinkage formula and its optimum flow properties, codex EX 80 Flow cement-based flowing screed allows easy installation of large, level screed surfaces. A great base for large format tiles and ideal for bonded, underlaid or insulated screeds with layer thicknesses from 35 - 80 mm.


  • For producing bonded screeds
  • For producing screeds on separating membranes
  • For producing screeds on insulation layers
  • For producing heated screeds
  • For embedding thin-layer underfloor heating
  • For producing screeds for with deadline pressure
  • For screeds without scouring and edge sinking
  • For damp and wet rooms
  • For interior and exterior use
  • For new construction, restoration, renovation


  • Especially low-shrinkage, for jointless screed areas up to 200 qm
  • Large thickness range from 35 - 80 mm
  • Flowable with very good flow
  • Mix only with water
  • High time saving - foot traffic already after 3-4 hours
  • Rapid drying after 24 hours ready for covering
  • Quick to heat up
  • Easy to prozess - thanks to fine grading curve up to 4 mm
  • Pumpable with screed pumps.
  • Also manually mixable
  • Low proneness to cracking due to low shrinkage and stress
  • High coverage
  • Waterproof and frost-resistant
  • Universal use, suitable for all surface coverings
  • Meets the requirement C25 F5 according to EN 13 813
  • Fire resistance: A1 fl
  • Low chromate content acc. Regulation (EC) No. 1907/2006 (REACH)
  • 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 flow cement screed codex EX 80 Flow is ideally suited for very large areas, thanks to its good flow properties and high area output.

Technical data

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

paper bag

Pack size

25 kg

Shelf life

min. 6 months




from 35 mm to 80 mm

Minimum working temperature

+ 5 °C up to + 30 °C

Ideal working temperatures

+ 15 °C up to + 25 °C

Water quantity required

0.14 litres/ kg

3.5 litres/ 25 kg

Working Time/ Pot Life

approx. 60 minutes*

Spreading size

23 cm (Hägermann funnel)

Set to foot traffic

after approx. 3 - 4 hours*

Ready for covering

see back

Burning behaviour

A1 fl

Compressive strength


Bending tensile strength



2 kg/m²/mm layer thickness

Ordering information

Article Article number Packsize Shipping unit
codex EX 80 Flow / 25 kg 89079 25 kg
Pallet :
42 bags

Quality seals and badges


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