M-CRETE 400 – Cement based Tanking System

MaxCrete 400 is a single component, polymer modified, fibre-reinforced, Portland cement based compound, which is physically and chemically compatible with the host concrete.

It exhibits unique hydraulic properties to produce a rapid curing mortar with enhanced polymeric properties and reliable strength development which is not significantly affected by low temperature use.

MaxCrete 400 can be used as supplied up to 100mm deep, or can be bulked out with sharp sand or aggregate to a flowing Once cured the product provides excellent resistance against:

  • Erosision
  • Corrosion
  • Chemical attack

Waterproofing brick roof with Maxcrete 400





  • Concrete structures
  • Water tank lining
  • walkways and ramps
  • High traffic areas
  • Solvent-free
  • Chemical resistance
  • Excellent wear characteristic
  • Outstanding corrosion resistant
  • Easy mix formulation
  • Safe to use in a confined space
  • Resists wide range of chemicals
  • Protects for longer
  • long-term protection
  • Aids application on site

Application Guide
Technical Data
Application Guide

  • Prepare the surface
  • Mix the material
  • Apply the base at a  target film thickness of 250-300 microns
  • Apply top-coat at a target film thickness of 250-300 microns
  • Allow for curing
  • Inspect the coating for any pinholes or misses and repair where necessary
Surface Preparation:

Degrease the repair area with MEK or similar solvent to remove any surface contamination, using angular grit, grit-blast to SO 8501/4 Standard SA2.5 (SSPC SP10/ NACE 2) and a minimum blast profile of 75 microns.

Once blast cleaned, the surface must be dust free and cleaned again using MEK or similar solvent. All surfaces must be repaired or coated before oxidation or gingering occurs.

For salt contaminated surfaces the component must be abrasive blast cleaned and left for 24 hours to allow any ingrained salts to come to the surface. After this 24 hours, the surface should be washed down, before flash blasting to remove any remaining surface salts. Repeat the process until all ingrained salts have been removed.

For surfaces already rebuilt with MaxMet 100  or MaxCeram 100, no further surface preparation will be required where over-coating takes place within 3 hours.


Warm the Base component to 15-25°C before mixing and do not apply when the ambient or substrate temperature is below 5°C or less  than 3°C above the dew point.

Mix the base component (dark grey or light grey) with the activator component (amber liquid) in full units as supplied. for small quantities us a mixing ratio of:

3:1 By volume or 8:1 by weight

When mixing both materials together, it is very important to have a uniform light or dark grey fluid, that is streak free. Once mixing is  complete the material should be used within 25-30 minutes at 20°C. To ensure best results use the mixed fluid as soon possible after mixing.

Application Base Coat

Mix and apply the material directly to the prepared surface, using a short bristled brush, spatula, squeegee or plastic applicator. Check the wet film thickness on a regular basis ensuring correct coating thickness of a minimum 250 microns is being achieved.

Application Top Coat

Mix and Apply the material directly to base coat as soon as possible after the application but not exceeding 6 hours, using a short- bristled brush, spatula, squeegee or plastic applicator, checking the wet film thickness on a regular basis ensuring correct coating  thickness of a minimum 250 microns is being achieved


1kg unit of mixed product will cover 1.4 sq metres at a nominal thickness of 250 microns per coat.

Usable life at  20°C

20-25 minutes

Over-Coating Times

Minimum – the applied material can be over-coated as soon as it is touch dry.

Maximum – over-coating time 6 hours.

Where the maximum over-coating time is exceeded, the material should be allowed to harden before being abraded or flash blasted to  remove any surface contamination

Technical Data

Additional information

Weight 25 kg


Unit Size


Coverage per Unit

1.33 sqm at 10mm


Cement Based


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