MasterSeal 505 - A rapid setting plugging mortar


MasterSeal 505 is a rapid setting, plugging mortar supplied in powder form. It requires only the addition of water and hardens in a matter of seconds to seal leaks, even in running water. Water flow can be stopped by mixing the MasterSeal® 505 to a malleable consistency and using as a plug.

Where is MasterSeal 505 applied?

  • Water retaining structures, basements, lift wells, inspection pits, tunnels and underground structures
  • Joint filling, concrete tunnel segments and pipes
  • Pointing and patch repairs prior to application of waterproof renders or the MasterSeal 501 crystalline waterproofing system

What are the advantages of MasterSeal 505?

  • Rapid setting - Typically 30 - 60 seconds
  • Easy to use - simply add water
  • Chloride free - no risk to steel reinforcement
  • Non-toxic - suitable for use in potable water systems
  • Premixed - giving consistent quality and results

Product Information

Technical Data Sheet

Info & price request

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


MasterSeal 505 TDS

pdf (83,64 Kb)
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