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ARDEX X51 15kg

ARDEX X 51 is an economical rubber modified adhesive for fixing ceramic tiles in internal and external (with satisfactory falls) situations. It can be used over render, plasterboard, fibre-cement sheet and concrete in situations where minimal movement is anticipated. When mixed with water, a flexible mortar that meets the S 1 tile adhesive classification is produced. ARDEX X 51 is ideal for fixing ceramic, fully vitrified, porcelain, non-moisture sensitive natural stone tiles and mosaics. ARDEX X 51 can be used in residential and commercial applications with satisfactory falls.

Tile Types:
Fully vitrified and ceramic tiles, porcelain, natural stones (excluding moisture sensitive) and mosaics.


  • Medium density fibre-cement sheet
  • Compressed fibre cement sheets
  • Plasterboard
  • Concrete
  • Renders
  • Screeds
  • ARDEX liquid applied undertile waterproofing membranes


  • Internal and external


  • Walls
  • Floors 


  • Walls: 14m2 per 15kg
  • Floors: 9m2 per 15kg


  • Off White Powder


  • 15kg bag

Primer Options:


Ardex X51 PDS

Ardex X51 SDS

Ardex X51 Spec Sheet