Ideal for bedding mortar for large floor tiles, natural stones or brick pavers, and can also be used to form ramps and falls. Suitable for internal and external areas.
A rapid setting, pourable mortar for bedding floor tiles in external and internal situations, which can be grouted and subjected to loads three hours after fixing at normal temperatures.
Where large flat backed tiles and smooth backed, dense and fully vitrified ceramics are to be fixed, it is recommended that ARDEX S 21 is used in conjunction with ARDEX E 90 admix. Can be used with sharp sand to form screed falls from 30 mm down.
For fixing floor tiles, pavers, natural stone, etc; Versatile - use with sharp sand to form ramps and pre-level subfloors; Internal or external applications; Fluid/pourable consistency - solid bedding easily achieved; Rapid hardening - grout and walk on after 3 hours
M40/110 Tiling to
M40/120 Mosaic to
M40/20 Existing backgrounds/ bases generally
M40/320 Existing concrete/ screeds
M40/350 Existing tiles
M40/5 Tiling to
ARDEX S 21 Rapid Floor Tile Bedding Mortar
Solid adhesive; consult ARDEX’s technical literature for details and fixing guidance.