Cavity Drain

PUDLO CD20 Cavity Drain Membrane

PUDLO CD20 Cavity Drain Membrane is a 20mm studded membrane which is suitable for both floor and wall applications when used in a PUDLO Cavity Drain System (Type C) installation. PUDLO CD20 is the largest studded membrane within our range. PUDLO CD20 is typically used in floors (please contact PUDLO for more information), vaults, tunnels, above and below ground level and other waterproofing applications. PUDLO CD20 can also be used in liner wall applications.


Complies to BS8102:2009
Quick and easy to install
Membrane can be easily cut
Waterproof and salt inhibiting
Resistant to root and salt contaminants
High quality product

Technical Datasheets
Installation Manual
Brochure downloads

Our Brands

Tel: +44 (0)1954 780687 | Email: sales@dbgholdings.com

DB Group, Wellington Way, Bourn Airfield, Cambridge. CB23 2TQ

Tel: +44 (0)1954 780687

DB Group, Wellington Way, Bourn Airfield, Cambridge. CB23 2TQ

Launching PUDLO CWP 2.5

After extensive testing, we’ve cut the weight of our award-winning waterproof admixture PUDLO CWP from 8kg to 2.5kg.

  • Same high-quality performance
  • Cut manual handling risks with a weight reduction of nearly 70%
  • Save money and fuel transporting a compact, concentrated product
  • Less material and less waste boost your sustainability credentials