Innovation built on experience

Enviroseal ProctorWrap CW / CW-IT

Product Description

Bradford Enviroseal™ ProctorWrap™ CW is a triple layer polyolefin non-woven textile weather barrier that is calendared together. This product is also available with pre-applied integrated tape release liners (CW-IT). This product meets the requirements of the AS/NZS 4200.1 and is suitable for use in Australian residential and commercial applications.

In Australia, ProctorWrap™ CW and CW-IT are available exclusively from CSR Bradford under the Bradford Enviroseal™ brand.
All technical and sales enquires in Australia are handled by CSR Bradford. For more details, product data and installation details please visit


Bradford Enviroseal ProctorWrap CW is suitable behind residential and commercial brick veneer and lightweight clad walls in warm to cold climate zones where condensation control may be required. Bradford Enviroseal ProctorWrap CW is recommended where vapour pressure is higher inside the building than outside. Where higher insulation R-value are used in construction it is recommended that vapour permeable products can be used to minimise the risk of condensation related damage. This product is suitable for use in BAL regions 12.5 to FZ in accordance with AS 3959.




Enviroseal ProctorWrap CW & CW-IT are
available exclusively from
CSR Bradford  1300 850 305

Sample specification

Sarking should be Enviroseal ProctorWrap CW / CW-IT vapour permeable membrane, tested to AS/NZS 4200.1:2017 standards, secured directly to the outside of the wall frame at maximum 300mm spacing and in accordance with AS4200.1:2017 and the product user guide. Breather foil does not comply with this specification.

Summary Specification

  • Vapour classification: Class 4  Vapour Permeable
  • Vapour permeance: >3.0 μg/N.s
  • MD Tensile Strength no less than 5.0 kN/m
  • Duty classification: Light Wall
  • Water Control Classification: Water Barrier
  • Emittance: Non-reflective
  • Flammability Index: Low