Protective coating for concrete

Sika Solution to protect Flyover & Civil Engineering infrastructureConcrete Protection

  • Sikagard 680 S Betoncolor is a one part solvent containing coating, based on methacrylic resins resistant to weathering, alkalis and ageing.
  • It’s available in clear and coloured grades for use on mineral substrates including concrete and other cementitious surfaces
  • Sikagard 680 S Betoncolor protects concrete against aggressive atmospheric influences and promotes a self-cleaning effect on the treated surfaces. It does not adversely influence the characteristic texture of the concrete.
  • Sikagard 680 S Betoncolor complies with the requirements of EN 1504-2 as protective coating.

Main characteristics of Protective coating for concrete

  1. Sikagard 680 S Betoncolor provides excellent weather resistance.
  2. Due to its quick drying properties, the coating is rain resistant within a short time
  3. Almost no change in the texture characteristics of the concrete surface for none colored one (Clear Glaze).
  4. Very high diffusion resistance against carbon dioxide and, therefore reduces considerably the rate and depth of carbonation of the concrete
  5. Suitable for sealing of green concrete in civil engineering works

Application – 2 Solutions

1. Sikagard 680 S Betoncolor Clear Glaze

As protection and enhancement of exposed aggregate concrete:
2 x Sikagard 680 S Betoncolor Clear Glaze

2. Sikagard 680 S Betoncolor Top Coat

In normal situation:
2 x Sikagard 680 S Betoncolor Top Coat

When using bright yellow and red colour shades:
3 x Sikagard 680 S Betoncolor Top coat

Application guide

On very absorbent and/or porous substrate, it is recommended to add about 50% of Sikagard 680 S Betoncolor Clear Glaze to the first coat of Sikagard 680 S Betoncolor Top Coat in order to strengthen the substrate and to reduce the risk of a patchy appearance.

Sikagard 680 S Betoncolor (Clear Glaze and Top Coat) can be applied by brush or short-piled lambskin roller.