PUDLO GB Self Seal

PUDLO GB Self Seal is a self-adhesive sheet applied waterproofing membrane manufactured to resist the passage of radon, methane gas, carbon dioxide and ground water. The membrane is manufactured from an aluminium and cross-orientated HDPE film with a layer of rubber modified bitumen adhesive.

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  • Complies with BS8485:2015 + A1:2019
  • Excellent overlap integrity due to pre-applied bitumen backing
  • Very quick and easy to install.
  • Flexible, which aids with bonding to the substrate
  • Resistant to dilute acids, alkalis, sulphates and chlorides
  • Can resist 6m head of water when fully supported
  • Can be used to seal details such as pipe penetrations, steel stanchions and corners, as per NVQ Level 2 Ground Gas Membrane Installations


For all aspects of gas protection and waterproofing
above and below ground.
PUDLO GB Self Seal is a robust solution and is suitable

  • BS8485:2015 + A1:2019 protection from CO2 and methane
  • BRE 211 protection from radon
  • Waterproofing foundations, basements, roofs, podium decks, lift pits, car parks and retaining walls
  • Continuity of waterproofing between belowground and DPC at ground level
  • Waterproofing at ground level image

    Waterproofing at ground level

  • Waterproofing at below ground level image

    Waterproofing at below ground level

  • Gas proofing image

    Gas proofing

Related products

  • PUDLO Self Seal Primer

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