Platon Comfort - Damproofing Underlay Membrane for Concrete Floors

Platon Comfort provides an effective, single application damp proof underlay for wood and laminate floors laid on concrete. The tough polypropylene membrane can be laid directly onto a new concrete slab as soon as it is dry enough to walk on. The product provides three times the water resistance than film membranes and eliminates the need to install foam underlay. Platon Comfort is suitable for use with conventional warm water, low voltage and certain high voltage under-floor heating systems.


  • Can be laid direct to new or existing concrete substrates.
  • Suitable for use under all wood and laminate floors including glue-free systems.
  • Impact sound reduction up to 19 dB.
  • Exceptional stability and tear resistance.


Platon Comfort joints are to be sealed with Platon Comfort tape.

General information

Uniclass 2015

Pr_25_57_65_60 Plastics sheetsPrimary


K21/10 Wood laminate flooring

K21/110 Wood flooring

K21/115 Wood laminate flooring

K21/145 Composite laminate flooring

K21/146 Laminate flooring

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Specification data - Plastics sheets

Product Reference

Platon Comfort

Standard product features

Roll size:

1 x 20 m.

Technical characteristics:

  • Raw material: Polypropylene.
  • Colour: Grey.
  • Stud height: 2.0 mm.
  • Construction height: 2.5 mm.
  • Material thickness: Nominal 0.5 mm.
  • Weight: 450 g/m².
  • Water vapour resistance: 300 m equivalent air layer.
  • Impact sound dampening: 17–19 dBA.
  • Thermal conductivity (EN 12664): 0.048 W/m·K.
  • Cushioning effect (DIN 18032- 2): 20%.

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