CONCRETE REPAIR_MULTI FAST SET MORTAR_Fast Setting Repair Mortar - MCCSA
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MULTI FAST SET MORTAR 

FAST SETTING REPAIR MORTAR

DESCRIPTION

MULTI FAST SET MORTAR is designed specifically for quick setting repairs and screed applications. A combination of Portland and aluminate cements provides a controlled set to give high early strength with minimal down time for repairs to concrete substrates. 

 

TYPICAL APPLICATIONS

MULTI FAST SET MORTAR provides a hard-wearing non-dusting surface for locations and facilities where repairs to concrete substrates or screeds are required in relatively short time to use.  

 

ADVANTAGES

  • Hard surface 
  • Improved impact resistance 
  • Fast setting 
  • Reduced shrinkage 
  • Reduced pin-holing 
  • Ease of application 
  • Excellent coverage 
  • Economical  

 

TYPICAL PROPERTIES

Yield: 13.5L kits

Coverage: 2.7m2 @ 5mm  

Working Time: 10min

Hard Set Time: 30-40min

Time to Sanding: 1-2 hours 

Application Temperature: 15°C to 25 °C 

Application Thickness: 0.5mm – 10mm 

Compressive Strength: 15 MPa (1 days) , 36 MPa (7 days) , 45 MPa (28 days) 

Water / 25kg Bag: 5L

 

WATCH POINTS

  • Do not re-constitute the mix after initial setting has occurred.  
  • Do not apply over floors recently heated via underfloor heating. Allow floors to cool before application.  
  • Apply minimum 10mm nominal screed thickness over underfloor heating elements.  
  • Colour of the screed surface on setting is not uniform in appearance. 

DIRECTIONS FOR USE

 

SURFACE PREPARATION

Surfaces are to be clean, sound and free of deleterious substances. Remove all laitance, oil, grease, mould oil or curing compound from concrete surfaces using wire brush, bush hammer, scabbler or other plant as appropriate. When repairing damaged concrete, ensure that all loose concrete has removed down to a firm base. Note construction joints that need to be carried through the floor to surface. 

 

PRIMING

Prime floors with a slurry mix of cement and MULTI SCREED PRIMER. Allow for penetration into the substrate and remove any excess primer. MULTI FAST SET MORTAR can then be applied over the tacky primer but no later than 2 hours after drying of the primer. 

 

APPLICATION

All tools should be cleaned with water immediately after use. If delayed, equipment will need mechanical action to clean or be discarded. 

 

EQUIPMENT CARE

All tools should be cleaned with water immediately after use. If delayed, equipment will need mechanical action to clean or be discarded. 

 

PACKAGING

Supplied in 25kg bags. 

 

QUALITY ASSURANCE

Multi Construction Chemicals South Africa (PTY) Ltd production and testing programs comply with all local and international testing standards. 

 

REVISION: 3.1 

The information supplied is believed to be reliable. As we do not have any control over the processing or application of the product we cannot guarantee the results to be obtained.

Users assume all risks and liability resulting from the use of this product and must confirm suitability thereof by conducting their own tests.

No guarantee is expressed or implied. Liability to the replacement of faulty material.

FOR PROFESSIONAL USE ONLY.