FFK / Flexible tile adhesive with improved properties (grey, class C2TES1)

  • For ceramic, stone mass, stone facing tiles, fireplace facing tiles, clinker tiles and plates
  • For tiling on plasterboard, directly on old tiles, wooden surfaces, on heated floors, thermal walls and fireplaces
  • For tiling on waterproofing OAD ELASTIC, TCM
  • For indoor and outdoor works
  • Frost and moisture resistant
  • Operating temperature -25º C to 80º C


Surface preparation

  • The base surface must be dry and firm, all cracks and voids must be filled
  • Clean the foundation from less persistent and/or separable layers
  • Especially dense and/or smooth foundations must be scraped
  • Surfaces must be primed with SAKRET UG primer (diluted in a ratio of 1:3)
  • Especially smooth concrete surfaces should be primed with SAKRET QG primer


  • Mix SAKRET FFK in a clean container with cold water until a homogeneous mass without lumps is formed
  • It is recommended to use a mixer with 600 turns per minute
  • After the ripening time (~3 minutes) mix again
  • In one pass, cover as much surface area with glue as it is possible to cover with tiles in 15 min. at a time
  • Deformation joints must not be filled with tile adhesive
  • Do not perform tiling work in direct sunlight, drafts and on wet surfaces
  • During the hardening phase, protect the tile adhesive from the sun, drafts, frost and excessively high temperatures (>25°C)
  • Hardened tile adhesive can only be removed mechanically


  • 5 kg / paper bags / 200 bags per pallet
  • 5 kg / paper bags / 60 bags on a pallet
  • 25 kg / paper bags / 48 bags on a pallet
  • 1,000 kg / Big-Bag packaging / pre-ordered
  • 10,000 kg - 20,000 kg / mobile transport silo

Tehnical data

Sticking time for applied adhesiveConsumption per m² (for 4x4 mm toothed trowel)Consumption per m² (for 6x6 mm toothed trowel)Consumption per m² (for 8x8 mm toothed trowel)Consumption per m² (for 10x10 mm toothed trowel)Compliant with the standardMay walk and fill groutsFire safety classStorage timeComposition
~ 20 min.1,8 kg2,7 kg3,5 kg4,5 kgLVS EN 12004After ~ 24 hEuroclass A1 (non-flammable)12 monthsCement, special inert additives, auxiliaries and auxiliary materials for improving processing properties
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