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  Subfloor Preparation
  • Existing floorcoverings must be removed, and the subfloor made good before commencing installation
  • The subfloor must be structurally sound, level, smooth, dry and free from contaminants
  • New concrete and sand/cement screeds must be left for construction moisture to dry out, and the floor covering must not be laid until a hygrometer test in accordance with BS 8203 gives a relative humidity reading of not more than 75%
  • Absorbent surfaces should be primed before the application of adhesive or smoothing compound


  • The tiles should be removed from their boxes to acclimatise to the room's normal operating temperature and humidity for a minimum period of 24 hours, and to be installed under the same conditions
  • Where installed over underfloor heating, the heating must be switched off at least 48 hours prior to installation, and switched back on at a low level at least 48 hours after installation, bringing the temperature up to its normal level gradually over 7 days. A maximum surface temperature of 27C should not be exceeded
  • Carpet tiles should be installed over a full spread of tackifier adhesive, commencing at the centre of the room and working towards the perimeter
  • Generally, carpet tiles can be laid broadloom or chequerboard (according to preference) however due to the nature of the product, some should be laid chequerboard only - further details available on request