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A grey rapid hardening, flexible, fibre reinforced adhesive mortar for fixing all types of ceramic floor tiles in external and internal situations, including swimming pools. The mixed mortar has an easily workable consistency to facilitate floor tile fixing. The mortar adheres strongly onto concrete and cement:sand screeds, including heated sub-floors.


  • Semi-pourable consistency ideal for solid bed fixing large format floor tiles.
  • Ultra rapid setting and hardening – walk on and grout after only 90 minutes.
  • Ideal for all tile types including porcelain, fully vitrified, mosaics and terrazzo.

General information

Grey or white


Fibre reinforced, portland cement-based

Uniclass 2015 Cementitious adhesives (Pr_20_31_02_12)
Specification data
Product Reference

ARDEX X 78 S MICROTEC Flexible Semi-Pourable Ultra Rapid Setting Floor Tile Adhesive

Product Options

Bedding/ Fixing:

Solid adhesive; consult ARDEX’s technical literature for details and fixing guidance.

Digital objects
PlatformCompatibleVersionCertified to
Revit 2016 2 2.0
- 2 2.0
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