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ARDEX A 35 MIX contains one part ARDEX A 35 quick drying cement and four parts, by weight, of screeding sand, requiring only the addition of water. Use for the installation of new screeds or for repairs to existing screeds where rapid setting and drying is required. Can be used to produce bonded, unbonded or floating screeds and will be dry after 24 hours at 20°C to receive floor finishes, regardless of thickness.


When used as a repair mortar ARDEX A 35 MIX can be applied to the full thickness of the existing screed. When applied as a new screed, application at the following thicknesses is recommended:

  • Bonded screeds: Minimum 15 mm, (design thickness up to 40 mm).
  • Unbonded screeds: Minimum 40 mm.
  • Floating screeds: Minimum 75 mm (Minimum 65 mm in lightly loaded (domestic) locations).

Related literature

The following content references this product:

Standard product features

Weight of fresh mortar:

  • Approximately 2kg/L.

Working time at 20°C:

  • Approximately 60 minutes.

Walkability 20°C:

  • Approximately 3 hours.

Compressive Strength (DIN 1164):

  • After 1 day: 25.0 N/mm².
  • After 3 days: 32.0 N/mm².
  • After 28 days: 40.0 N/mm².

Tensile Bending Strength (DIN 1164):

  • After 1 day: 5.0 N/mm².
  • After 3 days: 6.0 N/mm².
  • After 28 days: 7.0 N/mm².

Drying Time:

  • After 4 hours: Suitable to receive PVC floorcoverings and carpets when smoothed with ARDEX A55.
  • After 24 hours: Suitable to receive vinyl and ceramic tiles to bonded, unbonded and floating screeds.

NBS Specification

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

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

An important note about specifying





+44 (0)1440 714939

Product reference

ARDEX A 35 MIX Pre-blended Ultra Rapid Drying Cement for Internal Screeds

Manufacturer details

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