Mapei Kerafluid HPA
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Mapei Kerafluid HPA


check For bonding tiles to screeds
check Suitable for heated floors
check Especially for bonding ceramic tiles up to 60×60 cm format

Smoothing adhesive for bonding tile floors to anhydrite substrates indoors

Technical features

  • Ideally suited for bonding tiles to calcium sulfate based screeds.
  • Flow bed adhesive (large format tiles can be glued in one pass).
  • Priming is advised, in some cases it is not necessary.
  • Suitable for heated floors (low temperature hot water and radiant heating) that can be combined with anhydrite screeds.


Kerafluid HPA is particularly suitable for laying work on calcium sulfate-based screeds, without the need for a primer, under ideal conditions. Especially for bonding ceramic tiles up to 60×60 cm size. Only bond to substrates that do not contain more than 1% residual moisture.


  • Application conditions Temperature: between + 5°C and + 30°C. Do not apply to frozen, hot, or moisture-affected surfaces. Strong sunlight or high winds in the work area can shorten the open time of the adhesive mortar, so always try to avoid it. Preparing the substrate
  • The substrate must be clean, dry, level, solid and intact.
  • Whether anhydrite floors need to be sanded depends on the manufacturer’s guidelines. Check the moisture content of the screed using a CM meter.
  • Heated floors must have been at temperature and must have followed the heating up protocol. They must be turned off at least 48 hours before the tiles are applied.

Additional information

Weight 25 kg




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