Platon P20

A heavy duty, deep studded HDPE cavity drain membrane, principally used to waterproof basement floors but of great benefit as a barrier to damp and ground gases in flooring applications.

Technical Data:
Roll size: 2.0m x 20m x 20mm
Sheet thickness: nominal 1.00 mm
Stud height (net): approx. 20mm
Unit weight: 0.95 kg/m2
Max. compressive strength: 240 kn/m2
Softening temperature: +125°C
Air gap volume: 14 litre/m2
Drainage capacity: max. 13 litre/m2
Life expectancy: at least 50 years
Colour: black


  • For damp and/or ground gas control
  • Ideal for where larger air gap is of benefit
  • Impermeable to water, gas and water vapour