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Third party certifications:
  • QA Certificate

    Certificate type


Polymeric PVC roof and waterproofing membrane with glass fibre reinforcement.

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+44 (0)161 865 4444 www.wolfin.co.uk

Bitumen resistant, thermoplastic roofing membrane with integral glass fibre reinforcement. It features high permeability to diffusion and is ideally suited for the refurbishment of old and the construction of new buildings. WOLFIN M is available in a variety of thicknesses and can be used for construction waterproofing according to DIN 18195. On flat roofs it can be mechanically fixed or laid loose, ballasted. CE marked.


  • Diffusion open.
  • Free of toxic heavy metals.
  • Homogenous hot air and cold solvent weldable.
  • Long proved duration (> 30 years).
  • Petrochemical, mineral oil, acid and alkali resistant.
  • Ozone and UV stable.
  • Root resistant according to FLL.
  • Suitable for all insulation materials.
  • Suitable for recycling.

General information

Diffusion open

Free of toxic heavy metals

Homogenous hot air and cold solvent weldable

Long proved duration (> 30 years)

Petrochemical, mineral oil, acid and alkali resistant

Ozone and UV stable

Root resistant according to FLL

Suitable for all insulation materials

Suitable for recycling



Uniclass 2015 Polymeric membranes (Pr_25_57_51_66)
Specification data
Product Reference



1.2 mm

1.5 mm

2.0 mm




Standard product features



Technical properties:

  • Dimensional stability (to BS EN 1107-2): ≤ 0.5%.
  • Elongation (to BS EN 12311-2): ≥ 2%.
  • Foldability at low temperature (to BS EN 495-5): ≤ -20°C.
  • Impact resistance (to BS EN 12691): ≥ 600 N (1.5 mm thick), ≥ 750 N (2.0 mm thick).
  • Joint sheer resistance (to BS EN 12317-2): ≥ 800 N/50 mm.
  • Nail tear strength (to BS EN 12310-1): ≥ 400 N.
  • Peel strength overlap (to BS EN 12316-2): ≥ 300 N/50 mm.
  • Reaction to fire (to BS EN 13501-1): Class E.
  • Resistance to static loading (to BS EN 12730): ≥ 20 kg.
  • Resistance to static loading (to BS EN 12730): ≥ 20 kg.
  • Tensile strength (to BS EN 12311-2): ≥ 800 N/50 mm.
  • Water vapour diffusion value (to BS EN 1931): 10 000 µ (± 30%).

Product Options

Roll width:

1100 mm or 1620 mm.

Roll length:

Available in lengths of 10 m or 15 m dependent on the width.


Other colours are available to special order, contact manufacturer for more information.

Third party certifications
  • European Technical Approval: Wolfin M - Certificate: 09/0204
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