SX300 TREMSmooth HP

High Performance Latex Underlayment

Product Finder

Talk To Us

SX300 TREMSmooth HP is a free flowing, two-part general-purpose smoothing underlayment for interior applications.

Usage/purpose

SX300 TREMSmooth HP is used to level uneven internal subfloors to provide a smooth surface, prior to the install of the floor finish. SX300 TREMSmooth HP is a free flowing, self-smoothing, protein free, latex levelling compound with outstanding adhesion, flexibility and moisture resistance. These properties ensure that SX300 TREMSmooth HP can be used on most Internal subfloors without priming, including ceramic tiles, bitumen and Tremco DPM’s †.

SX300 TREM Smooth HP can also be used to encapsulate mesh under tile heating cables/mats on concrete and sand & cement screeds, prior to the fixing of ceramic floor tiles. SX300 TREM Smooth HP can be applied from a feather edge up to at least 8mm in a single application or up to 30mm incorporating clean, dry 3mm Granite chippings.

  • Easy to apply free flowing smoothing compound
  • Moisture Tolerant: can be used for pre-smoothing under a Tremco DPM
  • Excellent adhesion to a wide range of common flooring substrates, including concrete, sand/cement screeds, flooring grade asphalt, Ceramic tile, non-soluble old adhesive residues, TREMCO surface DPM’s †, etc.
  • Apply feather edge up to 8mm in one application (Can be applied up to 30mm incorporating a 3mm Clean, dry, Granite chipping.
  • Suitable for use on floors with underfloor heating
  • Protein free
SX300 Declaration of Performance (en-GB).pdf Declaration of Performance
SX300A Safety Data Sheet (en-GB).pdf Safety Data Sheets
SX300B Safety Data Sheet (en-GB).pdf Safety Data Sheets