Sika Monotop 438R Pourable Repair Mortar 25kg Bag




Sika MonoTop®-438 R is a one component, prebagged, pourable, self-compacting fast hardening repair mortar meeting the requirements of class R4 of EN 1504-3.


  • Suitable for restoration work by recasting (Principle 3, method 3.2 of EN 1504-9).
  • Repair of spalling and damaged concrete in buildings, bridges, infrastructure and superstructure works.
  • Suitable for structural strengthening (principle 4, method 4.4 of EN 1504-9).
  • Increasing the bearing capacity of the concrete structure by adding mortar▪
  • Suitable for preserving or restoring passivity (principle 7, method 7.1 and 7.2 of EN 1504-9).
  • Increasing cover with additional mortar and replacing contaminated or carbonated concrete.
  • Rapid repair of concrete on buildings and civil engineering structures for areas including beams, balconies, columns, stairs, decks, walls, etc.


  • Class R4 of EN 1504-3
  • Self compacting micro-concrete
  • Very good flow properties
  • Application up to 500 mm thickness (see notes on‘Layer Thickness’)
  • Rapid strength development
  • Early removal of formwork (within ~4 hours at +20°C)
  • Good adhesion
  • Low shrinkage
  • Finished surface can be painted after formwork is removed


Identification and performance testing for concrete repair material according to AFNOR standard P 18-840. Reports of CEBTP, France 03/B114-6-494 and -499.


Chemical Base Cement blend, selected aggregate and additives.

SIZE: Packaging 25 kg bag

Appearance / Colour Grey powder

Shelf Life Six (6) months from date of production when stored as stated.

Storage Conditions Store in undamaged and unopened, original sealed containers, in dry conditions at temperatures between +5°C and +30°C.

Density Fresh mortar density: ~ 2.3 kg/l (wet)

Maximum Grain Size Dmax: 5 mm maximum

CODE: N3068219




SKU N3068219
Brand Sika
Shipping Weight 25.0000kg

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