34 Broomfield Road

Chelmsford, Essex, CM1 1SW

01245 929122

Technical specifications

Softlay 21 acoustic underlay has the following primary technical specifications:

  • Area weight – 2kg per m2.
  • Softlay 21 comes in standard rolls of 7m x 1m and has a thickness of 2.10mm.

Sound and Thermal

  • Reflected walking sound up to 21% (EPLF norm WD 021029-5).
  • Impact sound up to 19dB (DIN 10140).
  • Thermal resistance 0.01 m2 K/W (EN 12664).
  • Residual indentation less than 0.5mm (DIN EN 3385).
  • Flammability classification Efl as standard, B1fl available on request (DIN EN 13501-1)
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