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TREMCO SX200 is a general purpose smoothing compound for levelling uneven internal sub-floors. It is manufactured from silica sand, cementitious binder and performance enhanced additives and is suitable for a wide range of common flooring substances, including concrete, sand/ cement screeds and flooring grade asphalt.

The material is self-levelling and complies with HTM 61 requirements and is suitable for pump application

TREMCO SX200 can be mixed with 3 mm clean aggregate for applications in excess of 8 mm.

General information
Specification data - Smoothing and levelling underlay compounds
Product Reference


Standard product features




Approximately 4.75–4.90 m² with an average of 3 mm thickness per mix.


  • Wet: 2150 kg/m³.
  • Dry: 2050 kg/m³.

Compressive strength:

  • 1 day: 21 N/mm².
  • 7 days: 28 N/mm².
  • 28 days: > 40 N/mm².

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