Fosroc Renderoc ST 05

Quick Overview

Renderoc ST05 is a Protective Cementitious Coating

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Renderoc ST05 is a Protective Cementitious Coating and levelling mortar for applications from feather degs to 5mm conforming to the requirements of BS EN 1504-3 Class R4. It can be appliedĀ in thin layers for filling blow-holes or imperfections in concrete to produce a smooth surface. Renderoc ST 05 also providesĀ a chloride and carbonation barrier and can be left as a fair-face finish or over coated. It can be used as a scrape-coat, brush or trowel applied, placed in thicknesses from 0-5mm.

  • Easy to mix and apply
  • Vertical and horizontal applications
  • Excellent bond to concrete without priming
  • Formulated blow hole filler
  • Carbonation barrier
  • Chloride barrier
  • High frost resistance
  • High compressive strength


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