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K301 is a fast setting, cement-based grey powder product consisting of special cements, graded aggregates and high quality synthetic resins designed to smooth and level rough and damaged concrete surfaces in external and internal situations.


  • For smoothing and resurfacing paths, drives, parking areas, courtyards etc.
  • Cost effective solution for smoothing rough or impact damaged concrete.
  • Fast setting – walkable after two–three hours (at 20°C).
  • Rapid hardening – can withstand light vehicular traffic after 48 hours.
  • Easy to mix and apply – pumpable.
  • Apply 2–20 mm thick in a single application.
  • Ideal for levelling floors prior to the application of ARDEX DPM.
  • Can be used with suitable resin coatings.

Technical properties:

  • Initial set: 40 minutes.
  • Final set: Two hours.
  • Compressive strength (after 7/ 28 days): 20/ 28 N/mm².

Related literature

The following content references this product:

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-55-10/380 Quick drying levelling screed mix

Product specification

An important note about specifying





+44 (0)1440 714939

Product reference

ARDEX K 301 Fast Setting Resurfacing and Levelling Compound

Manufacturer details

Homefield Road,
Suffolk, CB9 8QP
Tel +44 (0)1440 714939
Fax +44 (0)1440 716667
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NBS National BIM Library