VELOSIT® SL 506

Self Leveling Underlayment for Carpet, Vinyl and Laminate Floors

VELOSIT SL 506 is a cementitious self leveling underlayment for concrete, gypsum, magnesia and asphalt substrates. It creates a smooth surface for coatings and floor coverings.

Typical applications:

  • Interior and exterior use
  • Leveling of floors for covering with thin flooring materials
  • Repair of surface defects on concrete floors
  • Application thickness from 1 mm (40 mils) to 12 mm (½“)
  • As a binder for terrazzo floors

Properties:

  • Minimal shrinkage/expansion under dry resp. wet curing conditions minimizing the risk of micro-cracking
  • Excellent flow with long slump life
  • Extremely smooth surface profile due to superfine grading
  • Easy to sand or polish after curing
  • Fast air release with minimal requirement for agitation
  • Ready for covering with ceramic tiles after 4 hours, for moisture sensitive floor coverings after 12 hours.
  • 30 – 40 min. working time and 10 MPa (1450 psi) compressive strength after 4 hours
  • Final strength of more than 30 MPa (4350 psi) after 28 days
  • Open to foot traffic after 2-3 hours
  • Very good adhesion to properly prepared substrates
  • Excellent water resistance, no strength loss under water
  • Light gray color close to concrete color

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Technical Data Sheet 

 

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