MonoTop® 612

MonoTop® 612

Sika Limited Third party certifications:
  • QA Certificate

    QA Certificate

    Certificate type

Sika MonoTop® 612 is a R4 Hand Placed / Wet Spray Repair Microconcrete.

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Sika MonoTop® 612 is a cement-based, one component low permeability repair microconcrete, containing silica fume and polymer, meeting the requirements of Class R4 of BS EN 1504-3.


  • For repairing all types of structures
  • Horizontal, vertical and overhead repairs
  • Hand applied repairs
  • For exterior and interior use
  • In place of R1, R2 & R3 mortars

Characteristics / Advantages:

  • Pre bagged for quality
  • Compatible with Sika FerroGard corrosion inhibitors
  • Easy to mix and apply
  • Low shrinkage
  • Good mechanical properties
  • Adjustable consistency
  • Suitable for drinking water contact

General information

Specification data - Polymer-modified cementitious mortars

Product Reference

Sika MonoTop® 612

Layer thickness

5 mm min / 30 mm max.

Standard product features

- Sika Monotop®612:

Chemical Base Portland cement, polymer redispersable powder, selected aggregates and additives.

  • Density Fresh mortar density: ~ 2.10 kg/l.
  • Grading Dmax: 3 mm.
  • Layer Thickness: 5 mm min/ 30 mm max.
  • Thermal Expansion Coefficient: 12.0 x 10-6 m/m °C.
  • Class (EN 1504-3): R2.
  • Localized, non structural repair.
  • Reinforcement corrosion protection: MonoTop®610.
  • Repair mortar: MonoTop®615.
  • Smoothing Mortar: MonoTop®620.


Technology and Concepts - Repair and Protection of Reinforced Concrete

Technology and Concepts - Repair and Protection of Reinforced Concrete

Third party certifications

  • Mott MacDonald: Report No. 37423/DA/001 - Rev A : Conforms to the requirements of BS EN 1504-3 R4 Classification

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