Structural Concrete Repair Mortar R4 For 6 - 100 mm

VELOSIT RM 205 is a cementitious repair mortar for concrete restoration acc. to EN 1504-9. It is used to fill large voids or build up larger cross-sections up to 100 mm (4”).

Typical applications:

  • Repair of large surface defects on concrete
  • Overlays and repairs on concrete structures like dams, bridges, beams, balconies, facades
  • Application on horizontal and vertical incl. overhead areas
  • Application thickness from 6 mm (¼“) to 100 mm (4”)
  • Used as micro-concrete


  • Minimal shrinkage/expansion under dry resp. wet curing conditions minimizing the risk of micro-cracking
  • Excellent workability
  • Wide range of water addition
  • Fiber reinforced
  • Hydrophobic
  • Advanced corrosion inhibitor technology
  • 60 min. working time and 12 MPa (1740 psi) compressive strength after 4 hours
  • Final strength of more than 45 MPa (6525 psi) after 28 days
  • Open to foot traffic after 3-4 hours
  • Excellent adhesion to properly prepared concrete
  • Water curing only under hot and dry conditions required for 3 - 4 hours
  • References


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