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Watco Concrex Colours Cold Set - Epoxy Repair Mortar

Coloured epoxy resin mortar for repairing holes in the cold

  • Virtually indestructible
  • Blends with existing coloured floors
  • Cures at 0°C
  • So strong it can be feather-edged
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€398.10 (Ex VAT)

This item: Concrex Coloured Cold Set LIGHT GREY 25KG €268.75 (Ex VAT)



Concrex® Colours Cold Set has the same features as the traditional Concrex® with the added benefit the ability to cure in low temperatures and a variety of colours to choose from. Ideal for winter use and cold room conditions. Compared with other repair mortars this formulation is particularly rich in epoxy resin. This provides superior strength and adhesion, making it ideal for very thin section, feather edge or intricate repairs.

Recommended areas of use

  • Suitable for use inside and out
  • Concrete, sand and cement, metal
  • Holes in concrete floors
  • Damaged steps
  • Broken floor joints
  • Eroded, uneven concrete


  • Heavy duty, two part epoxy resin mortar
  • Range of colours to blend with existing coloured floors
  • Virtually indestructible 
  • Good chemical resistance
  • Resin rich for thin section and feather-edge repairs
  • Suitable for heavy traffic
  • Easy to apply. Takes heavy traffic after 12-16 hours at 20°C
  • Coverage 1.2m² per 10kg at 5mm thick


Properties Impervious and non-dusting, chemical resistant and anti-slip, virtually indestructible, may be feather-edged
Suitable for Concrete, sand & cement and metal
Finish Smooth, impervious surface
Interior or Exterior Exterior, Interior
Primer required Yes, Watco Tack Coat is recommended
Composition Finely graded sand pre-blended with resin. 10kg contains 1 tin of coloured curing agent, and a 25kg includes 2 tins of coloured curing agent
Coverage 10kg: 1.2m² at 5mm thick. 25kg: 3m² at 5mm thick
Application tools Steel float or trowel
Application Trowel the mortar firmly into the repair
Curing time (at 0°C) 48 hours
Curing time (at 10°C) 8 hours
Minimum application temperature 0°C
Maximum application temperature 30°C
Pot life Up to 30 minutes
Storage Between 10°C - 30°C. Do not allow to freeze
Shelf life 12 months in unopened container
Depth (mm) 50mm
Principle limitations Do not apply to wet surfaces.Do not apply thicker than 50mm in one layer
Cleaning tools Use white spirit before concrex colours cures


Surface preparation

Surfaces to be treated must be clean, dry and free of friable material, a wire brush or sweep is usually sufficient. Watco Bio-D degreaser can be used if there are spots of oil or grease.


Each bucket contains Concrex powder and bottles of hardener. Mix the two components with a trowel until you achieve a uniform grey colour, you can complete the mixing by using your gloved hands. For large quantities, it is advisable to use a mixer.


Apply the repair mortar to the surface to be repaired and smooth with a trowel. To prevent streaks, wipe the blade with a rag soaked in white spirit.

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€268.75 (Ex VAT)

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Bulk discounts save up to 10%
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6+ €241.85 Save 10%
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Watco Concrex Colours Cold Set - Epoxy Repair Mortar