Glass Fibers for Leveling Compounds

VELOSIT GF 825 are glass fibers for leveling compounds, such as VELOSIT SL 525, VELOSIT SL 502.

Typical applications:

  • For floor renovation on deteriorated calcium sulfate and cement screeds, magnesia screed, mastic asphalt, raw concrete ceilings, wooden floorboards, chipboard, gypsum fiberboard and gypsum plasterboard as well as cavity and raised floor systems
  • For floor renovation with self-leveling flowing fillers, leveling fillers and thin screeds


  • VELOSIT GF 825 are glass fibers made of AR glass according to DIN 1259-1
  • Features a specially developed surface coating
  • Produces intensive bonding in cement- and sulfate-bound fine mortars and fillers


Here you can find detailed information about the selected VELOSIT product.

Technical Data Sheet

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