This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.
9021FR
3-Layer
Breathable Membrane
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. Read more
-
3rd Party Certified
-
3 Months Exposure
-
Breathable
Downloads
Installation Guide
Product Description
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, supporting a flexible installation schedule.
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 – 1
Electrical Conductivity
Non-Conductive
Emittance Classification
Non-Reflective
Emittance Category
NN
Warranty
12 Years
Product Order Codes
| Product Codes | Product Description | Width | Length | Box Quantity |
|---|---|---|---|---|
| 20.9021.001 | OBEX CORTEX 9021FR Breathable Membrane | 1500mm | 50m | 1 |