Platon P8

Platon P8 is used as a waterproofing drainage layer applied to the inside face of basement and below ground walls and floors within a drained cavity membrane system. P8 is manufactured from High Density Polyethylene and is impermeable to water, water vapour or Radon gas.

Platon P8 is used in conjunction with Platon Brick Plugs and Seals, Platon Sealing Tape, Sealing Rope and Cornerstrip Tape. P8 carries a BBA certificate which is required to satisfy the requirements of Third Party Building Warranty providers (NHBC, LABC etc), it can be used within a standalone waterproofing system or as part of a combined strategy with other forms of waterproofing, depending on site conditions, planned use of the basement or below ground area and risk assessment.

Stud height: Approx. 6.5mm

Construction height:Approx. 7mm

Technical Data:
Raw material: HDPE
Sheet thickness: Nominal 0.50mm
Colour: Natural



  • Cavity Membrane for Internal Use (Type C)
  • BBA certificated
  • Impermeable to water, water vapour or radon gas
  • Use on walls or floors
  • For waterproofing below ground or damp-proofing above ground