Multi-layer, low-density, polyethylene membrane, reinforced with a polyethylene reinforcing grid.

Features and benefits:

  • Acts as a barrier against radon.
  • Provides air moisture protection.
  • Provides low level protection against carbon dioxide and methane.
  • CE marked to EN 13967.
  • NHBC Standards Compliant.
  • BBA certified.

PUDLO GP2 DPM should be heat welded where possible. Membrane overlaps should be 100 mm (minimum). Membrane overlaps can be taped and a silicone roller should be used to remove any trapped air.

General information

Uniclass 2015

Pr_25_57_65_60 Plastics sheetsPrimary


D21/350 Gas-retardant membrane

J40/140 Loose laid plastics or rubber sheet gas retardant damp proofing

J40/35 Loose laid plastics or rubber gas retardant damp proofing

Specification data - Plastics sheets

Product Reference


Accessories/ Other requirements

Not required

Protection fleece


PUDLO Self Seal Primer

PUDLO Ultra External Corner Unit

PUDLO Ultra Internal Corner Unit

PUDLO Void Vent 25

PUDLO Void Vent 40

Standard product features

Size (w x l):

2 x 50 m.


0.5 mm.


350 g/m².

Technical characteristics:

  • Resistance to static load (to EN 12730-B): 20 kg.
  • Tensile strength (to EN 12311-1): 500 N/50mm (MD); 470 N/50mm (CMD).
  • Tensile elongation (to EN 12310-1): 15% (MD); 20% (CMD).
  • Puncture resistance (to EN 12236): 1.04 kN.
  • Resistance to tearing (nail shank) (to EN 12310-1): 400 N (MD); 350 N (CMD).
  • Methane permeability (to BS EN ISO 15105-1): <514 ml/m²/day/atm.
  • Carbon dioxide permeability (to BS EN ISO 15105-1): <514 ml/m²/day/atm.
  • Radon permeability (to K124/02/95): 4.3 x 10-12 m²/s.
  • Resistance to water penetration (to EN 13967, EN 1928): Pass.
  • Watertightness (to EN 1296, EN 1367, EN 1928): Pass.

Third party certifications
  • BS 8485:2015
  • 12/4912 P2
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