Applied cementitious systems with or without crack-bridging abilities.

Sika Waterproof Mortars

Sika waterproof mortars and coatings are rigid or semi-flexible waterproofing products. They are supplied as ready to use solutions to seal against damp soil, seepage and percolating water. They must be applied to prepared suitable substrates both horizontally and vertically. To be used in combination with the appropriate joint waterproofing system for construction and movement joints.

They must be used in combination with appropriate joint waterproofing systems for construction and movement joints. Good external drainage with a permanent dewatering system is also necessary; normally using drainage pipes placed at or below the level of the base slabs to prevent any build-up of water pressure.


  • As a waterproofing system for a range of applications, depending on requirements.
  • To protect structures against percolating water

*product selection depends on application requirements and conditions. Always refer to the current Product Data Sheet.

Main Advantage

  • Cost efficient solution (Material + Application)
  • Ready to use & easy to apply
  • Provide additional concrete protection

Typical Projects

  • Domestic applications
  • Residential buildings
  • Industrial buildings


Sika’s Waterproofing Mortars Have Many Advantages

  • Outstanding one-component or two-component product choice
  • Impermeability to water, verified with tests
  • Crack-bridging or rigid products available
  • Products for contact with drinking water
  • Additional concrete protection
  • Applicable on various substrates
  • Ready-to-use and easy to apply
Waterproofing mortars

2-component, polymer modified, rigid cementitious waterproofing mortar, internally and externally applied for full surface waterproofing and tanking.  

Waterproofing mortars

Internal or external applied waterstops based on PVC, TPO or galvanised
steel for construction and movement joints.

Waterproofing mortars

Range of hydrophilic profiles and gun applied sealants, designed for the sealing and waterproofing of construction joints and penetrations (e.g. pipe entries).  

Complementary products for joint sealing and waterproofing

1-component, flexible, fibre reinforced mortar, based on cement modified with special alkali-resistent polymers. Ideal for waterproofing surfaces subject to flexural strain.  

Sika MonoTop-130 Seal
Sika MonoTop®-130 Seal is a one part flowable shrinkage compensated general purpose cementitious grout for waterproofing applications.