Structural Concrete Repair Mortar R4

VELOSIT RM 208 is a microsilica enhanced 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 50 mm (2”).

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 50 mm (2”)
  • 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
  • 60 min. working time and extended finishing window
  • Final strength of more than 65 MPa (9425 psi) after 28 days
  • Excellent adhesion to properly prepared concrete 
  • Good resistance against CO2 and Chloride penetration due to a very tight pore structure
  • Good resistance against aggressive media with a pH range of 3-12 and against soft water with low ion content


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

 Technical Data Sheet Environmental Product Declaration - EPD Safety Data Sheet

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