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A 46 is a rapid setting and hardening, slump free mortar which is ideal for external or internal repairs. The mortar sets and hardens rapidly to give a repair of exceptional strength and hardness. The mixed mortar sets after 20 minutes and can be trafficked after only two–three hours at 20°C. A 46 is ready to receive floor coverings that are not sensitive to moisture, such as ceramic tiles, after 24 hours at 20°C.


  • For infilling holes around fittings and for patch work on wall and floor areas.
  • Internal and external use.
  • Rapid hardening – walkable in two–three hours.
  • For repairing stair treads and risers.
  • To produce gradients for ramps.
  • To smooth wall and floor areas from 2–30 mm thick.
  • Easy to smooth and float.
  • Stress and crack free.
  • Wearing surface in lightly trafficked areas.
  • Ideal for patch repairs prior to the application of suitable damp proof membranes.
  • Freeze, thaw and salt resistant.
  • Suitable for underfloor heating.

Technical properties:

  • Compressive strength (after 1 day/ 7 days/ 28 days): 10.0/ 15.0/ 20.0 N/mm².
  • Tensile bending strength (after 1 day/ 7 days/ 28 days): 2.0/ 4.0/ 6.0 N/mm².

General information

Ideal for the rapid repair of damaged concrete; Sets within 30 minutes; Slump free – ideal for wall and floor repairs; Apply from 2 mm to 50 mm thick; For internal and external use; Easy to smooth and float; Shrinkage compensated, and crack free


Polymer modified mortar

Uniclass 2015
Concrete repair mortars (Pr_20_31_53_15)Primary
Specification data - Concrete repair mortars
Product Reference

ARDEX A 46 Multi-Purpose Repair Mortar

Digital objects
PlatformCompatibleVersionCertified to
Revit 2016 1 1.3
- 1 1.3
Download now from NBS National BIM Library
Third party certifications
  • Registration Number - FM 1207
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