VELOSIT® SC 245

Flowable Screed Cement

VELOSIT SC 245 is a cementitious binder for flowable screed mixes produced on-site or at a batch plant. It is mixed with sand and aggregates creating a rapid hardening screed ready to receive flooring systems within 24 hours. VELOSIT SC 245 may also be used as a binder for special concrete mixes and mortar formulations.

Typical applications:

  • Interior and exterior use
  • Bonded screeds 
  • De-coupled screeds on insulation or membranes
  • Especially optimized for processing from 2 chamber silos or mobile screed processing units
  • Fast traffic able concrete mixes
  • Suitable for floor heating systems
  • On-site concrete mixes

Properties:

  • Minimal shrinkage/expansion under dry resp. wet curing conditions minimizing the risk of micro-cracking
  • Excellent flowable workability 
  • Variable water addition
  • Ready for covering with ceramic tiles after 6 hours, for moisture sensitive floor coverings after 24 hours.
  • 90 min. working time and 12 MPa (1740 psi) compressive strength after 6 hours
  • Final strength of more than 50 MPa (7250 psi) after 28 days with suitable sand quality and 32% water addition
  • Open to foot traffic after 5 hours
  • Very good adhesion to properly prepared concrete
  • Excellent water resistance, no strength loss under water 
  • High tensile strength allowing thin applications on de-coupled screed applications

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Technical Data Sheet

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