9021FR

3-Layer
Breathable Membrane

The OBEX CORTEX 9021FR is a 3-layer, vapour-permeable membrane designed for walls and roofs in commercial and residential construction. This membrane effectively blocks water and dust, safeguarding the building’s structure.

Key Features:

  • Breathable:
    Permits the escape of harmful vapours, reducing condensation and mould risk.
  • AS/NZS Certified:
    Complies with AS/NZS 4201 standards for vapour permeability. Meets AS 1530.2 criteria for low flammability.
  • Water-Resistant:
    Offers robust protection against rain, preventing water ingress into the building’s fabric.
  • UV-Resistant:
    Provides up to 3 months of full UV exposure protection, aiding in flexible installation scheduling.

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  • 3rd Party Certified 3rd Party Certified
  • 3 Months Exposure 3 Months Exposure
  • Breathable Breathable
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Product Specs

Width

1500mm

Length

50m

Thickness

0.5mm

Colour

Green

Mass Per Unit Area

115g/m2

Technical Specs

Vapour Classification

Class 4, Vapour Permeable

Vapour Permeability

4.883μg/N.s

Water Control Classification

Water Barrier

Flammability Index

Low – 4

Electrical Conductivity

Non-Conductive

Emittance Classification

Non-Reflective

Emittance Category

NN

Warranty

12 Years

Downloads

Installation Guide

Product Order Codes

Product CodesProduct DescriptionWidthLengthBox Quantity
20.9021.001OBEX CORTEX 9021FR Breathable Membrane1500mm50m1

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