Admixtures for sand/cement screeds


Fast setting cements XTRACEM

Special binders for high-speed and low-shrinkage screeds

CONTOPP® XtraCem 30


  • Ready to receive tiling after 24 h and all other floor coverings after 4 days
  • Shrinkage reduced - dimensionally stable hardening
  • Quickly ready to bear loads as result of high early strength
  • High final strength
  • Extra-long working time
  • Can be walked on at an early stage
  • EMICODE according to GEV: EC1PLUS R very low emissionPLUS
  • Contains tracer for a subsequent half-quantitative analysis in sand/cement screeds

Application area

  • To produce bonded and floating cement screeds.
  • To produce screeds on underfloor heating.
  • Suitable for damp and external areas.
  • Suitable for all types of common floor coverings

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.