NBS Source
Sopro Grout TFb 554 – High Strength Tile Grout


Suitable for use on walls and floors in internal and external locations for applications such as:

  • Catering kitchens;
  • Workshops;
  • Washing facilities;
  • Swimming pools;
  • Balconies/ patios;
  • Other industrial/ commercial spaces.

Not suitable for absorbent ceramics (earthenware).

  • Consult manufacturer for preparation/ application details.


High-strength cementitious tile grout for stoneware, fully vitrified stoneware, natural and cast stone coverings. Meets CG2 WA requirements to DIN EN 13888.

Features and benefits:

  • For use on joint widths between 3–30 mm.
  • Rapid-setting and trass-bearing.
  • High mechanical strength and abrasion resistance; meeting and surpassing the minimum requirements.
  • Dense microstructure, utilizing Mikrodur® technology.
  • High resistance to freeze-thaw cycles and high-pressure/ steam jet cleaning.
  • Provides good adhesion to joint faces.
  • Can be used in conjunction with underfloor heating.
  • Working life: 25–35 minutes.
  • Low-chromate to Regulation (EC) No 1907/2006, Annex XVII.
  • DGNB (German Sustainable Building Council): Top quality level 4, Line 8.
  • EMICODE system of GEV (German Association for Control of Emissions in Products for Flooring Installation): EC1PLUS® ("very-low-emission-plus") rating.
  • Manufactured in accordance with DIN EN 12808-2 and DIN EN 12808-3.
  • Maturing time: 3–5 minutes.
  • Working life: 25–35 minutes.
  • Walkable: After 1.5 hours (approximately).

General information




Pr_20_31_53_13 Cementitious groutsPrimary


M40/10 Natural stone covering to

M40/110 Tiling to

M40/115 Natural stone covering to

M40/12 Mosaic to

M40/120 Mosaic to

M40/5 Tiling to

Product range


Specification data - Cementitious grouts Enhanced data


554 grey 15.

557 concrete grey 14.


≥60 N/mm² (after dry storage); 75 N/mm² (after freeze-thaw cycling).

Application temperature



2.5 kg/m² for 115 x 240 mm tiles and 10 mm joint width and depth (approximately).


After 6 hours (approximately).

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