PUDLO Liquid GB is a specialist styrene butadiene latex-based liquid. PUDLO Liquid GB prevents gas penetration for methane, radon, carbon dioxide, air and moisture into buildings. PUDLO Liquid GB is used for the sealing of pile heads prior to concrete slabs cast across the top. PUDLO Liquid GB is a barrier to moisture and can be used as a DPM on floors and walls. This product can be used to protect most building surfaces from the effect of liquid and water vapour, carbonation and as a gas barrier to prevent ingress of methane, carbon dioxide and radon. PUDLO Liquid GB also acts as a waterproofing membrane complying with the requirement C2 and C4 schedule 1 of the Building Regulations 1991 for England and Wales and BS8102:2009 (Type A waterproofing membrane).


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

Easy to apply.

Provides an effective gas and moisture vapour barrier.

15kg tubs.

Roll, brush or spray applied


Refer to PUDLO Liquid GB installation manual.

Technical Datasheets
Brochure Downloads

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Tel: +44 (0)1954 780687 | Email:

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