ARDEX K 39 Heavy Duty Levelling Compound

Heavy duty, high low levelling and smoothing compound. Extended workability, high flow levelling and smoothing compound.

With its extended wet edge, fresh applications of ARDEX K 39 can be easily smoothed into existing pre-applied material for up to 40 minutes after application, making it ideal for complicated areas, adjoining rooms and large areas where pumping is require. Furthermore, the use of ARDEX K 39 eliminates the need to ‘rub down’ the adjoining mixes the following day.


  • Workable wet edge of up to 40 minutes.
  • Excellent coverage – 7.4 m² at 2 mm thick.
  • Rapid hardening – walkable in as little as 2 hours.
  • Spike rolling not always necessary.
  • Highly versatile – apply from 1.5 mm.

General information




Cement based

Uniclass 2015

Pr_35_31_06_80 Smoothing and levelling underlay compoundsPrimary
Digital objects
PlatformCompatibleVersionCertified to
Revit 2016 2 2.0
- 2 2.0
Download now from NBS National BIM Library
Similar products from Ardex Ltd – Flooring, Tiling & Screeding products