Cemfair

Description:

Cemix® Cemfair is a fast setting, polymer modified concrete repair fairing mortar for horizontal, vertical & overhead patching & feather edged applications up to 3mm in depth. This is a rapid setting product designed to enable early sanding. Do not apply more than can be applied within ten minutes of adding water.

Typical Application / Uses:

Cemix® Cemfair may be used for:

  • Horizontal, vertical & overhead patching & feather edged repairs to concrete
  • Precast concrete patching
  • Overcoat to concrete repairs >3mm deep

Advantages:

  • Good colour match to concrete
  • One component, just add water
  • Can be feather edged
  • Horizontal, vertical & overhead patching
  • Short curing time, Can be sanded in a few hours or less.
  • Good bond strength
  • Durable
  • Improved abrasion resistance
  • Low chloride ion permeability
  • Polymer modified

5kg & 10kg & 20kg

Substrate Preparation:

Concrete substrates should be clean & free from all contaminants, loose particles, dust, coatings, dirt, mould, oil etc. Substrates must be sound & rough to ensure a good bond.

Mixing:

Hand mix to a trowelable slurry. Do not mix more than can be applied in ten minutes as this is a fast curing product. Product may need to be re mixed to maintain pliability while applying.

Application:

Dampen the concrete substrate avoiding water ponding. Apply Cemfair to the surface pushing it into the substrate with a firm trowel action. Sand when dry to obtain final finish and colour

Curing:

Cure product thoroughly after it has set by keeping it wet & covered for at least 7 days. Avoid product freezing for at least 3 days

Technical Data:

Appearance – Sand/Cement grey powder.

Application Temp- 5ºC to 25ºC

Yield / Coverage - 5kg: Approximately 3.1L or 0.0031m3

10kg: Approximately 6.2L or 0.0062m3.

20kg: Approximately 12.3L or 0.0123m3

Thermal Coeff. Of Exp – 9.0 x 10-6 mm/mm/ ºC

Chloride Ion Permeability – < 1000 coulombs

Working Time – 10 minutes at 20ºC

The data shown above reflects typical results based on laboratory testing under controlled conditions. Reasonable variations may occur on site.

Limitations:

  • Do not apply product onto surfaces less than 5ºC & more than 25º C.
  • Do not use product in temperatures less than 5ºC & more than 25º C.

Cleaning:

Clean all tools with water & brush immediately after use.

Storage:

Can be stored in its original packaging in a dry place well sealed for a period of six (6) months after production. Do not store opened bags.

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