MasterEmaco S 420

Rapid setting high strength structural repair mortar, Regulation 31 approved for use in contact with potable water

What is MasterEmaco S 420?

MasterEmaco S 420 is a rapid setting polymer modified repair mortar for application where high compressive strengths are required. The material cures to a concrete grey colour.

What is MasterEmaco S 420 used for?

MasterEmaco S 420 is suitable for structural repairs of reinforced and non-reinforced concrete. The material is ideal for repairing damage caused by:

  • Corrosion of reinforcement bars
  • Alkali aggregate reaction
  • Impact damage

What are the benefits of using MasterEmaco S 420?

Separate primers and bonding coats are not required allowing for complete repair in a single operation with substantial time savings.

  • Rapid-setting qualities provide high production rates saving access and labour costs.
  • High performance for extreme durability and protection of embedded reinforcement.
  • Regulation 31 approved for contact with potable water after just 3 days curing.
  • Can be applied at 10-50mm in thickness per layer.

Direct contact

Chris Gallivan

Product Manager

+44 7966123422


MasterEmaco S 420: Technical Data Sheet

pdf (121.11 Kb)


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