MasterRoc MP 355 A3 - A highly reactive, two component polyurethane injection foam to stop high volume water ingress and for ground consolidation

Formerly Meyco MP 355 A3


MasterRoc MP 355 A3 is a two component, solvent-free polyurethane injection resin specifically designed for rapid water stopping and ground consolidation. 

Where is MasterRoc MP 355 A3 applied?

  • Permanent stopping of high volume water ingress in underground structures
  • Also suitable for cold water 
  • Ground consolidation

What are the advantages of MasterRoc MP 355 A3?

  • On contact with water, the product forms a rigid foam
  • Without the presence of water, the product also reacts and forms a hard substance. This is a significant safety advantage, as the material never remains uncured
  • On contact with water the reaction is completed within a short period of time
  • Provides structural strength and rigidity

Product Information

Technical Data Sheet

Info & price request

Midrand: +27112032405 Westonaria: +27117541343
Coastal Regions: +27112032405


MasterRoc MP 355 A3 TDS

pdf (81,08 Kb)
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