Sopro OFS 543 is a pumpable, castor chair resistant, self-levelling, rapid-set, cementitious floor filler, suitable for interiors and for use in conjunction with floor heating. It’s a flow-applied, self-levelling, rapid-set, cementitious filler compound for the production of Smooth, unbroken surfaces prior to flooring installation. Low-chromate to Regulation 1907/2006/EC, Annex XVII.
Use for the production of smooth, unbroken surfaces to receive any flooring type, e. g. ceramic tiles, natural Stone coverings, textile, elastic and parquet flooring. For coat thicknesses between 3 mm and max. 25 mm. Suitable for interiors only. Sopro FS 5 floor-levelling compound is recommended for thin-coat (≤ 3 mm) applications; Sopro FS 15 plus or Sopro Rapidur® FE 678 self-levelling screed are recommended for coat thicknesses ≥ 25 mm.
Featured Benefits of Sopro OFS 543 Contract Floor Levelling Compound 3 – 25 mm
- 3 – 25 mm coat thicknesses
- pumpable
- suitable for floor heating systems
- EC1PLUS very low emissionPLUS
- for indoor use
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Smet Building Products Ltd is consulted before specifying.
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| Compressive Strength (?) | 25 N/mm2 | 22.41% |
| Flexural Strength (?) | 6 N/mm2 | 40.48% |
| Hardening Time (?) | 1 days | 100% |
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| Typical Use (?) | Internal | |
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| Uniclass (?) | Pr_35_31_06 Bedding and underlay compounds | |