Underlay suitable for stretch-fit installation of carpets.

Features and benefits:

  • Polyurethane rebond.
  • End use classification (to BS 5808): GD/U, general domestic use.

General information

Uniclass 2015

Pr_35_57_11_11 Cellular plastics underlaysPrimary


M50/170 Carpeting

M50/25 Carpeting

Specification data - Cellular plastics underlays

Product Reference


Standard product features

Nominal square weight:

784 g/m².

Nominal density:

98 kg/m³.

Roll area:

15.07 m² (1.37 x 11 m).

Nominal roll weight:

11.8 kg.

Nominal thickness:

8 mm.


No objectionable odour.

Colour/ backing:

Green/ printed nonwoven backing.

Impact sound reduction (Delta Lw):

32 dB.

Emissions (US Carpet and Rug Institute):

Meets low VOC emission criteria.

Thermal resistance:

2.18 togs.

Technical characteristics:

  • Work of compression (minimum 50 J/m²): >110 J/m².
  • Retention of work of compression (minimum 40%): >70%.
  • Loss in thickness after dynamic loading (maximum 15%): <10%.
  • Loss in thickness after static loading (maximum 15%): <5%.
  • Resistance to cracking (not greater than 50 mm): Pass.


Hot metal nut test (tested in Interfloor laboratory): Low radius of ignition.

Third party certifications

  • CRI: Green Label Plus

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