MasterEmaco N 400RS: Rapid-setting polymer-modified high-build repair mortar for vertical and overhead surfaces

Formerly: HBA Repair Mortar

How does MasterEmaco N 400RS work?

MasterEmaco N 400RS is a two-component polymer-modified rapid-setting mortar. It is used to repair vertical and overhead concrete surfaces in deep lifts.

Recommended uses:

  • Interior and exterior
  • Vertical and overhead
  • Above and below grade
  • Spalls or holes in concrete
  • Deteriorated edges

What are the unique features of MasterEmaco N 400RS?

  • Very high-build; up to 3" on vertical and 1 ½” on overhead surfaces
  • Low chloride permeability provides protection against carbon dioxide and chloride intrusion
  • Readily mixes with MasterEmaco A 400 to produce a workable consistency

What are the benefits of MasterEmaco N 400RS?

  • Very rapid setting so repairs can be returned to service within hours
  • Shrinkage compensation minimizes stresses on the bond line
  • Polymer modification improves adhesion and provides increased freeze/thaw stability

On the Job Videos

US / Canada Product Information

Data Guide

Certification Letter

LEED Letter

Direct contact

Master Builders Solutions Technical Support

Construction Systems


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Related Literature

Certification Letter

pdf (90.16 Kb)

Data Guide

pdf (91.05 Kb)

LEED Letter

pdf (93.33 Kb)