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What is Cl-stuk?

Cl-stuk is a latex which mixed with cement-based grouts like colorstuk n, reduces water absorption and enhances mechanical resistance and deformability. Specially recommended when laying ceramic outdoors and in permanently damp environments. A latex additive that can be mixed with the colorstuk range of high-tech grout mortars in cases when increased mechanical resistance, reduced water absorption or improved flexibility is required.



  • Water-based acrylic resins latex
  • Resistant to the most common chemicals
  • It reduces mortar water absorption
  • It enhances the adherence and deformability of the grouting material
  • It increases resistance to abrasion
  • Excellent resistance to UV rays and the effect of heat
  • Frost-resistant

Recommended Use

Specially recommended in:

  • Outdoor floor and wall tiles
  • High traffic floor tiles
  • Floor tiles on radiant heating
  • Pools and damp environments


 It enhances grouting material performance in:

  • Indoor wall tile coverings. Specially recommended for rectified tiles
  • Indoor floor tiles, including public buildings



Specially recommended in:

  • Wall tiles with mosaic-like patterns
  • DQS slabs and other kinds of marble agglomerate


 It enhances grouting material performance in:

  • Absorbent/non-absorbent ceramic tiles, including porcelain tiles
  • Glass mosaic
  • Natural stone and marble not prone to staining


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