PUDLO GP Ultra+ – Gas & Waterproof Membrane

PUDLO GP Ultra+ is a dual performance membrane that provides protection from gas and water. The membrane provide protection including VOCs, carbon dioxide, methane, radon, hydrocarbons and also protects the structure from water ingress. PUDLO GP Ultra+ is a multi-layer, polythene membrane which is fleece-backed (black fluffy side up) providing a fully bonded system to the concrete.

Suitable for all aspects of gas protection and where a Grade 3 (waterproofing) environment is required as part of a dual system recommended in BS8102:2009. PUDLO GP Ultra+ can be used in horizontal or vertical application. PUDLO GP Ultra+ is suitable for all ground floor and basement construction including lift pits, slabs, liner walls, capping beams and service penetrations. PUDLO GP Ultra+ can also be used as single system.


Recognised as an accepted system for gas and water protection by NHBC.

Full surface contact between the membrane and concrete.

Quick and easy installation.

Can be installed in all weather conditions.

No requirement for priming. Overlaps are sealed by hot welding or joint tape (dependent on gas present).

Technical Datasheets
Installation Manual
Brochure downloads

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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