NBS Source
List your products

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
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
Similar products from PUDLO Waterproof Systems & Cemfree Zero-Cement Concrete, part of the DB Group Ltd