Centrecoat MMA Repair Mortar

Part A: UN1866 (Class: 3, Pk Grp: II), Part B: UN3106 (Class: 5.2), Part C: Non Hazardous
A fast curing, high strength, trowel applied, three part Methacrylate Resin mortar.
Available in 10 Kg
£81.55 £67.96
In stock
Product Description

Centrecoat MMA Repair Mortar is a fast curing, high strength, trowel applied, three part methacrylate resin mortar. Formulated for rapid and permanent repairs to concrete and masonry surfaces.

Best Uses

Centrecoat MMA Repair Mortar is formulated for the repair of spalled or damaged concrete, bedding pre-cast concrete beams, repair of chemical bunds or concrete floor

  • Resilient
  • Very good chemical resistance
  • Excellent adhesion
  • Fast curing, even at low temperatures
  • Impact and abrasion resistant
  • Frost resistant and impervious to water
  • Excellent mechanical properties


Remove all laitance, spalled concrete, grease, oil, dust, and other contaminants by scabbling, bush hammering, or other mechanical treatment, to provide a sound clean substrate. Any exposed reinforcing steel shall be fully exposed by cutting out around its full circumference, and cleaned by hand abrading or wire brushing to remove rust, scale, etc., and primed with a coat of Centrecoat MMA Multi-Use Primer.

The prepared concrete surface, together with the pre-primed re-bars, shall be primed by the application of Centrecoat MMA Multi-Use Primer. The mixed Centrecoat MMA Multi-Use Primer should be applied by brush or roller at a nominal rate of 0.2 - 0.3 Kg per m2, depending upon surface profile. Allow the primer to cure for a minimum of 40 minutes.

Centrecoat MMA Repair Mortar is supplied as a three component product consisting of the BASE component, the CATALYST component and the AGGREGATE component. The contents of the BASE and CATALYST component should be thoroughly mixed together and the AGGREGATE then introduced. A low speed drill stirrer or a forced action mixer such as a Mixall, Pennine or Creteangle type, will be suitable.

Centrecoat MMA Repair Mortar should be applied by tamping and trowelling to ensure good compaction and a tight finish. The material should not be feather edged. Minimum application thickness is 4mm.

Clean equipment with Centrecoat MMA Tool Cleaner immediately after use.

Technical Details
Components: Three Pack
Type: MMA
Stock Colours: Light Grey
Tintable: Yes,to some colours on request. Please note, bespoke tints are non refundable / exchangeable
VOC Content:
Volume Solids:
Suitable Substrates: Concrete
Application Method: Tamper and Trowel
Theoretical Coverage: A 10 Kg pack yields 5 litres of mortar, sufficient for 1m2 @ 5mm thickness
Wet Film Thickness (WFT):
Dry Film Thickness (DFT):
Induction Time: -
Pot Life: 20 minutes at 20°C
Foot Traffic: 1 hour at 20°C
Full Traffic: 2 hours at 20°C
Cleaner / Thinner: Clean equipment with Centrecoat MMA Tool Cleaner immediately after use.
Shelf Life: Store in dry conditions, out of direct sunlight, at temperatures between 10°C and 20°C. Adequate ventilation of the storage area should be provided. Keep container tightly closed when not in use Centrecoat MMA Repair Mortar has a minimum shelf life of 6 months when stored in original, unopened containers in accordance with manufacturer’s instructions.
Packaging: Available in 10 Kg

The manufacturers data sheets are available for download from this website. It is your responsibility to read and understand all aspects of the data sheets before you place an order and prior to application. Please pay special attention to the preparation, mixing and application temperatures of the product, cleaning of substrate and environmental factors such as temperature, rain etc. Quoted coverage rates are based on the manufacturers theoretical rates and may vary depending upon substrates absorption, texture and application. We always recommend a test is carried out to ensure suitability.

Customer further agrees that Promain have no liability for any errors or omissions contained within the Product Data Sheets and are not liable for failure due to misapplication or inadequate substrate cleaning and preparation. For more information please refer to our Terms & Conditions.

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