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Wolfin Membrane Technical Data

Wolfin ProductApplication & Install


Click on the links below to download Wolfin Specifications:

These are generic specifications. If you want it to be a Wolfin-specific specification then insert the words Wolfin or Wolfinsteel in the appropriate places. Please do not hesitate to contact us if you would like us to do it for you.

Technical Data

Membranes Thickness Roll Size Colour
Wolfin IB
1.5mm 15m x 1620mm Black / Light Grey
Wolfin GWSK
2.3mm 15m x 1050mm Black / Light Grey
Wolfin AF6 Cast-in Reglet N/A 25m Black
Wolfinsteel Profiles Dimensions Colour
P1 45mm x 12mm Black / Light Grey
P2 40mm x 15mm Black / Light Grey
P3 25mm x 25mm Black / Light Grey
P3R 25mm x 25mm Black / Light Grey
P5 40mm x 15mm Black / Light Grey
P6 50mm x 45mm Black / Light Grey
**Wolfinsteel Profiles are also available in Stainless Steel.
**Non-Standard Wolfinsteel Profiles are made to order


  • Australian Standards

    Wolfin GWSK complies to AS 4654.1-2012 and Wolfin IB complies to AS 4654.1-2012 & AS 4858.
    Please contact us if you wish to receive a copy of the compliance certificate.

  • Root Proof Certificate

    In accordance with the method of testing resistance to root damage to flexible sheets and coatings for roof planting“ (FLL, 2002) a two years lasting test was carried out with the sheet WOLFIN IB. The sheet WOLFIN IB (surface and joints) did not show any perforations or penetrations caused by roots and rhizomes after the 2 year test period.

    See full report here: Wolfin IB – FLL Test Report


  • All Wolfin membrane installations are guaranteed 15 years by a Single Point Warranty on both materials & workmanship. Warranties are issued in favour of the building/structure owner and every Wolfin membrane installation is inspected and signed off by Projex Group/Wolfin Membrane Australia.


  • At Projex, we do things differently! We guarantee the work of our Licensed Wolfin Installers for a period of 15 years as well as offering the “standard” warranty on the materials. Our premium Wolfin polyester PVC waterproofing membrane offers strictly controlled detailed applications, meticulous QA inspections, and peace of mind that it is installed correctly. This is achieved with the combination of our accredited, trained, certified Wolfin contractors and the close relationship we share with all our installers. This enable us to keep offering a single point warranty for both labour and material on all Wolfin projects.


  • Projex Group is a well established company, that have been supplying the Australian market with Wolfin waterproofing membrane since the late 1980’s. The warranty is issued by us (the supplier) and not the contractors.  It is a single point warranty, so in case of any problems or concerns, you simply have to contact Projex Group for any assistance.
Flat Roof Waterproofing Wolfin 30 years old in excellent condition

The Projex Mission is to source and supply technically excellent products to meet the needs of owners, designers, insurers and operators of buildings and structures for specialist protection against water, industrial liquids, impact and corrosion risks.