Platon P8 - Cavity Drain Membrane - 2.07 x 20M

Unit price per



Platon P8 Cavity Drain Membrane is used as a waterproofing drainage layer applied to the inside face of the basement and below ground walls and floors within a drained cavity membrane system.

Technical Data:

  • Raw Material: HDPE
  • Sheet Thickness: Nominal 0.50mm
  • Colour: Natural

P8 carries a BBA certificate which is required to satisfy the requirements of Third Party Building Warranty providers (NHBC, LABC etc).

  • 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

Platon P8 Data Sheet

Platon P8 Installation Guide

Platon P8 BAA Approval

Platon Catalogue Guide

Also known as Isola Platon P8, Triton Isola Platon 8


Free Delivery on orders over £29.99

Standard Delivery: £4.99

Next Working Day Delivery: £6.99

(Order must be placed before 3pm for same day dispatch)


Standard Delivery: Up to 5 working days


Next Working Day Delivery Examples


Order Placed Monday on or before 14:59 

Dispatched Monday 

Delivery Tuesday 

Order Placed Monday on or after 15:00

Dispatched Tuesday

Delivery Wednesday

Order Placed Thursday on or before 14:59 

Dispatched Thursday

Delivery Friday

Order Placed Thursday on or after 15:00

Dispatched Friday 

Delivery Monday 

Orders Placed on Weekends Dispatched Monday Delivery Tuesday



Click and Collect


Click and Collect available within one hour on orders placed between 8am and 3:30pm Monday to Friday (excluding Bank Holidays).

Orders placed outside of this time will be available within the next hour during the above slots. 

You will receive an email when your order is ready to collect. 

Collection Address: Unit 28, Ripley Business Park, Ripley Dr, Normanton Industrial Estate, Normanton WF6 1QT