A grey cement-based flexible fibre reinforced rapid setting adhesive suitable for fixing all types of ceramic tiles in external and internal situations, including swimming pools. It has been formulated to allow the fixing of fully vitrified tiles and those with low porosity without the need of an admixture. Grouting can be commenced after 1½ hours at 20ºC.

ARDEX X 77 S will adhere strongly to most construction materials.

ARDEX P 51 Primer when fixing to plaster and ARDEX P 82 when fixing to smooth impervious surfaces including existing ceramic tiling, internal asphalt, terrazzo, sound and well adhered paint coatings and old adhesive residues. ARDEX P 4 - rapid drying primer, applied to concrete, screeds, terrazzo and ceramic tiles and can be used externally.

General information

Specification data - Cementitious adhesives

Product Reference

ARDEX X 77 S MICROTEC Ultra Rapid Setting Flexible Wall and Floor Tile Adhesive

Product Options


Consult ARDEX’s technical literature for details and fixing guidance.


Similar products from Ardex Ltd – Flooring, Tiling & Screeding products