Binder for High Strength Self Leveling Mortars

VELOSIT SC 253 is a binder for the production of cementitious self leveling mortars for concrete floors. It creates an abrasion resistant smooth surface. The mortar may also be used as a high strength underlayment for coatings and floor coverings.

Typical applications:

  • Interior and exterior floors
  • Leveling of concrete slabs and floors as a finished surface
  • Repair of surface defects on concrete floors
  • Application thickness from 3 mm (1/8”) to 50 mm (2“)


  • Minimal shrinkage/expansion under dry resp. wet curing conditions minimizing the risk of micro-cracking
  • Excellent flow with long slump life
  • Smooth surface profile
  • Fast air release with minimal requirement for agitation
  • Ready for tiles after 4 hours, for moisture sensitive flooring materials after 16 hours
  • 30 – 40 min. working time and 20 MPa (2,900 psi) compressive strength after 4 hours
  • Final strength of more than 50 to 70 MPa (7,250 - 10,150 psi) after 28 days
  • Excellent adhesion to properly prepared concrete
  • Good resistance against CO2 and Chloride penetration due to a very tight pore structure
  • Excellent water resistance, no strength loss under water
  • Good weathering resistance
  • Good sulfate resistance
  • Light gray color close to concrete color


Here you can find detailed information about the selected VELOSIT product.

Technical Data Sheet Environmental Product Declaration - EPD Safety Data Sheet Prospect High Performance Floors Reference
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