MasterSeal 501 surface applied, active capillary crystallization waterproofing system for concrete ​



Where to use MasterSeal 501?

MasterSeal 501 consists of a blend of moisture activated chemicals, high grade silica aggregates and selected cements. MasterSeal 501 is supplied as a powder and is mixed to a slurry consistency with water.

MasterSeal 501 is applied directly to concrete in areas where general waterproofing is required.

MasterSeal 501 is also applied in powder form, as a dry shake on horizontal construction joints or on concrete slabs.

What are the advantages of MasterSeal 501?

  • Easy to prepare and apply.
  • Applied by brush.
  • Long working time.
  • MasterSeal 501 fills the capillary gaps by forming permanent (insoluble) crystals and enables water impermeability.
  • Protects concrete.
  • Resistant to negative and positive water pressure.
  • Water vapor permeable.
  • Resistant to freeze-thaw cycle.
  • Can be safely used in drinking water tanks (has a test report).