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SIKA MonoTop 612 repair mortar grey 10 kg


Original price was: 65,00€.Current price is: 57,00€. TTC

Structural repair mortar. Class R3.

Sika MonoTop® 612 is a one-component structural repair mortar, reinforced with silica fibre and silica fume, which meets the requirements of class R3 of the UNE-EN 1504-3 standard.

  • Clase R3 de la UNE-EN 1504-3.
  • Prepared mortar.
  • Ready to use with a simple addition of water.

  • Regeneration of concrete in thick layers, both on vertical surfaces and on ceilings.
  • Smoothing of concrete or cement mortar surfaces prior to the application of paint.
  • Repair of concrete elements.
  • Grouting of prefabricated elements.
  • Suitable for concrete repair work (Principle 3, method 3.1 and 3.3 of UNE-EN 1504 9).
  • Repair of spalling and deterioration of concrete in buildings, bridges, infrastructure and superstructures.
  • Suitable for structural concrete reinforcement works (principle 4, method 4.4 of standard UNE-EN 1504-9).
  • Increasing the load-bearing capacity of concrete structures by adding mortar.
  • Suitable for the conservation or restoration of passivation (Principle 7, method 7.1 and 7.2 of UNE-EN 1504-9).
  • Increase the coating with additional mortar and restore concrete contaminated by carbonation.


  • Clase R3 de la UNE-EN 1504-3.
  • Prepared mortar.
  • Ready to use with a simple addition of water.
  • It allows the desired consistency to be achieved without changing the amount of water more than slightly.
  • Easy to apply.
  • High mechanical strength.
  • Adheres perfectly without primer to most building materials (concrete, stone, brick, etc.).
  • Mechanical wet spraying.
  • It has a “ready-to-paint” finish.
  • It is neither corrosive nor toxic.
  • Fire classification A1.


  • 10 kg bags


  • Grey powder

Chemical basis :

Prepared cement mortar, improved with synthetic resins, silica fume and reinforced with polyamide fibres.

Conservation :

12 months from the date of manufacture.

Storage conditions :

In its original, well-sealed and undamaged packaging in a cool, dry and frost-free place.

Density :

Density of fresh mortar: ~ 2.1 kg/l (at +20°C)

Maximum particle size :


Soluble chloride ion content :

Results (Laboratory) Requirements (R3) Test method
<0,03 % <0,05 % EN1015

Mixing ratio :

3,625 litres per 25 kg bag.
Sika® MonoTop® 612/ Water = 100/14.5

Layer thickness :

min 5mm / max.30mm

Ambient temperature :

min +5°C / max. +30ºC

Supporting temperature :

min +5°C / max. +30ºC

Pot life :

5ºC 60 minutes
20ºC 30 – 40 minutes
30ºC 15 à 20 minutes


For 1 litre of fresh mix :
Water : 265 g
Sika MonoTop 612 : 1 835 g
This is equivalent to a Sika MonoTop 612 consumption of 1835 kg/m2 and mm thickness.
The minimum Sika MonoTop 612 powder consumption will be 9 175 kg for a layer thickness of 5 mm.



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