ARDEX Isoflex

Two Part Flexible Underlay/Adhesive for Wall and Floor Tiles


A two part, rubber based wall and floor tile adhesive. It is especially formulated to fix
tiles over substrates subject to thermal and shrinkage movement.
• Highly flexible – achieves S2 classification
• 2:1 mixing ratio – easy to measure on site
• Tile directly to timber


  • Tile Types: Ceramic, fully vitrified, porcelain, mosaics, natural stone (excluding moisture sensitive
  • Substrates:
    • Internal timber (particleboard, plywood, mdf, cork) (priming required with ARDEX Optima or ARDEX
    P82) with the exception of unbonded timber. Contact ARDEX for oil rich timbers
    • Cement render/screeds, concrete, aerated concrete
    • Fibre-cement sheet, plasterboard
    • Internal existing ceramic tiles, where glaze is removed
    • ARDEX undertile liquid applied waterproofing membranes (excluding shower recess floors)
  • Location:
    Internal, Covered External
    (Not suitable for swimming pools or commercial floors subject to heavy traffic)
  • Surfaces: Floors, Walls
  • Colours: Grey
  • Coverage: Refer to product data sheet for details
  • Pack Size: 20kg liquid/2 x 20kg powder