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PermaSEAL 8 Eco X Cavity Drain Membrane 2m x 20m x 12 rolls

£805.00 Ex VAT
£966.00 Inc VAT

Buy PermaSEAL’s Black Eco X cavity drain membrane in bulk to benefit from significant savings. This high quality and versatile membrane is suitable for waterproofing floors and walls both internally and externally.

Bulk Buy Black Recycled Cavity Drain Membranes

A recycled cavity drain membrane suitable for use internally and externally, above and below ground, the PermaSEAL 8 Eco X Black is a highly versatile HDPE membrane.

The higher density 8mm recycled cavity drain membrane offers increased compressive loading stability when compared to other membranes, making it ideal for flooring applications. The recycled membrane’s 8mm stud profile provides 5.3 litres of drainage volume per m2. 

The membrane is highly resistant to chemicals, resistant to root penetration, rot proof and neutral towards drinking water. It is also resistant to bacteria, fungi, and other small organisms.

This PermaSEAL black cavity drain membrane is suitable for use when constructing a Grade 3 environment in accordance with BS 8102:2022 – protection of below ground structures against water ingress.

Buy Direct from the Membrane Importer

As the UK importer, Permagard is able to offer contractors and trade customers huge savings when they buy the Eco X membranes by the pallet. We can supply pallets direct to contractors at a discounted rate. The PermaSEAL 8 Eco X black recycled membrane comes in a 12 roll pallet with a bulk discount of 26%.

Next Day Delivery

We provide next day delivery (1-3 days during COVID-19) when you order a pallet of membranes before 2pm. 

Technical Support 

If you haven’t used PermaSEAL cavity drain membranes before or have any technical questions, then Permagard is more than happy to help. We pride ourselves on offering you the information you need both before and after any purchase. Call us on 0117 982 3282.

Note: All cavity drain membranes should be permanently protected against UV Light. Failure to do this will dramatically decrease the service life of the product.


  • big savings for bulk purchase
  • made from 100%  recycled materials
  • versatile membrane - ideal for both walls and floors
  • high compressive loading stability
  • highly resistant to water, alkalis, saline solutions and organic acids and is not affected by minerals
  • resistant to bacteria, fungi, and other small organisms
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