Admixtures for sand/cement screeds


Screed Hardeners DUREMIT

High-strength cement screeds up to CT-C40-F7

CONTOPP® Fibercompound Duremit hydro


  • Increase in strength thanks to the artificial hardening.
  • Reduction in cracks due to fibre reinforcement.
  • Improvement in processibility thanks to the plastification.
  • Rehydration protection.
  • Reduced shrinkage.
  • CT-C40-F7 (when using 1 : 5 mix design by mass i.e. 1 : 3 mix design by volume)

Application area

  • To produce high-quality bonded screeds and floating screeds.
  • To replace steel reinforced in screeds.
  • To produce screeds on underfloor heating.
  • For damp and external areas.
  • EMICODE EC1plus

You can call us at +49 9324 91990

Consumption calculator

for KNOPP products

Please refer to the technical datasheet under DOWNLOADS for more information about handling and mixing ratios.