Ardex S28W MICROTEC Floor Tile Adhesive (White) – 20Kg Bag

£42.98 exl. VAT

Per Unit


SKU 114111415020875150 Category

Natural Hardening and Rapid Drying Natural Stone Wall and Floor Tile Adhesive

  • Microtec fibre reinforcement for high performance
  • Reduced risk of water staining, curling, and warping in moisture sensitive natural stones
  • Can accept traffic and grouting after just 2 hours, regardless of bed thickness
  • High yield- 6m2 @ 3mm


Ardex S28W – Semi-Pourable Tile Adhesive

Ardex S28W – Semi-Pourable Tile Adhesive for natural stone. Ardex S28 W is rapid hardening and rapid drying tile adhesives with specific properties for fixing moisture sensitive natural stone floor tiles, as well as porcelain, mosaics, fully vitrified and ceramic tiles, in internal dry locations. Ardex S28 W has a unique semi-pourable consistency ideal for fixing large format floor tiles.

  • MICROTEC fibre reinforcement for high performance
  • Rapidry Formula minimises the risk of water staining, curling and warping in moisture sensitive natural stones
  • Semi-pourable consistency ideal for solid bed fixing large format floor tiles and slabs
  • Can be trafficked and grouted 2 hours after fixing, regardless of bed thickness
  • Achieves an open time of up to 30 minutes
  • High yield – 6m² @ 3mm
  • Up to 60 minute pot life


Ardex S28 W incorporates Ardex Rapidry Technology meaning that the mix water is totally bound into the hardened adhesive which virtually eliminates the risk of water staining of moisture sensitive natural stone tiles, or the mix water affecting wooden substrates. Designation C2 FTE S1, in accordance with BS EN 12004, classifies Ardex S28 W as ‘improved fast setting cementitious adhesives with reduced slip and extended open time.’

The additional characteristics of Ardex S28W, determined in accordance with the test standards listed in BS EN 12004 are a tensile adhesion strength of greater than 1 N/mm2 adhesion value. The mixed mortar has an extended open time of up to 30 minutes, and an easily workable, semi-pourable consistency to facilitate the solid bed fixing of large format floor tiles. Ardex S28W adheres strongly to most construction materials such as concrete, cement and sand screeds, heated sub-floors, anhydrite screeds, and existing ceramic tiled surfaces.


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For more than 60 years, ARDEX has been a quality leader for the flooring and tiling industries, the brand of choice for installers and distributors. ARDEX today is still an independent family-owned business. This means that in our permanent efforts to achieve market-shaping innovations, we have been able to retain our most important tradition: uncompromising quality. This is something we guarantee by applying the latest rigidly enforced quality assurance procedures, making it no coincidence that they are regarded as a premium partner of the construction industry. Strong internal growth and intelligent acquisitions in foreign markets have put the Group on the map with 53 subsidiaries and 3,000 employees on all continents. With its 14 major brands, the ARDEX Group generated a worldwide annual turnover in excess of 770 million euros in 2018. This marks an important milestone and they are becoming one of the world’s leading suppliers of high-quality specialist building materials.

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