Ardex FA20 Flexible Levelling Compound 20Kg Bag

£48.00 exl. VAT

Per Unit


SKU 130071409350318600 Category

Rapid Drying Flexible Floor Levelling and Smoothing Compound for Timber Floors.

  • Ideal for timber floors and substrates with adhesive residues
  • Microtec Fibre reinforced, ensuring a crack free finish
  • Can accept foot traffic after just 2 hours
  • Ready for floor coverings after 24 hours
  • Suitable for use with underfloor heating systems

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Ardex FA20 – Floor Levelling and Smoothing Compound for Timber Floors

Ardex FA20 – Floor Levelling and Smoothing Compound for Timber Floors is an advanced fibre reinforced smoothing and levelling compound featuring Microtec technology that is designed to rapidly smooth and level existing substrates prior to applying a floor finish. Ardex FA 20 can be applied to timber floors, flooring grade asphalt and existing substrates with adhesive residues. Ardex FA 20 can normally be walked on after approximately 2 hours at 20°C.

Ardex FA20 Uses

To level internal sub-floors to provide a smooth surface, Ardex FA 20 can be applied on all common sub-floors such as concrete, cement/sand screeds, flooring grade asphalt, timber and chipboard, quarry tiles, existing sub-floors with sound adhesive residues, etc. SURFACE PREPARATION The surface must be hard, sound and free of dust, dirt and other barrier materials such as paint, lime coatings, plaster and excessive adhesive residues, etc. Use Ardex DGR degreaser to remove polish, wax, grease, oil and similar contaminating substances. Laitance should be removed from concrete surfaces. Direct to earth sub-floors must have an effective damp proof membrane, such as Ardex DPM.


Not quite what you’re looking for? Follow this link here to browse more of our Ardex range.

Want to see how Ardex FA20 has been used? Follow this link to view a range of Ardex Projects.

Additional information


Minimum Thickness: 3mm

Maximum Thickness: 20 mm

Compressive Strength @ 28 days: 30 N/mm2

Walkable: 2 Hours

Finished Floor Covering After: 24 Hours

Suitable for Substrates: Timber / Underfloor heating



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.

Technical Information