ARDEX S 21 is ideal for fixing large floor tiles or brick pavers, and can also be used to form ramps and falls.

  • Suitable for fixing floor tiles, pavers, natural stone, etc
  • Use with sharp sand to form ramps and pre-level subfloors
  • Rapid hardening formulation allows tiles to be grouted and walked on after 3 hours
  • Pourable consistency achieves solid bed fixing with ease
  • Ideal for almost all tile types including non-moisture sensitive natural stone
  • Suitable for internal and external areas

Colours Available: Grey

Unit Size Available: 22kg

 

Download the latest datasheets and certificates here;

ARDEX S21 Technical Datasheet (TDS)

ARDEX S21 Health & Safety Datasheet (SDS)

ARDEX S21 Declaration of Performance (DOP)

ARDEX S21 Environmental Product Declaration (EPD)

 

Suitable for External Use or Wet Areas
Yes

Suitable for Use with Under Tile Heating
Requires the inclusion of ARDEX E 90 Mortar Admix

Bed Thickness
2-10mm
Applications over 10mm can be achieved with the inclusion of coarse sharp sand, refer to the ARDEX S 21 Technical Datasheet for further information

Pot Life
30 minutes

Open Time
10 minutes

Adjustment Time
20 minutes

Grout After
3 hours

Coverage
Approximately 4.0m2 at 3mm thick per 22kg bag

Embodied Carbon
(A1-A3 production stage as defined in BS EN 15804)
0.49 kg CO₂ eq/kg

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