0220FR

Breather Membrane
W2

Class A - EN 13501-1

A Breather Membrane that features water resistant yet breathable technology, which facilitates the escape of moisture and the prevention of condensation within the external wall construction.  It can be applied to many surfaces including sheathing board, concrete and insulation.  Read more

  • 3rd Party Certified 3rd Party Certified
  • 12 Months Exposure 12 Months Exposure
  • Class A Class A
  • Breathable Breathable
  • W2 - EN 13859-2 W2 - EN 13859-2
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Technical Documents

KIWA Certificate

Installation Guide

Technical Data Sheet

Safety Data Sheet

Declaration of Performance

Product Description

OBEX CORTEX 0220FR Class A1 Breather Membrane features water resistant yet breathable technology, which facilitates the escape of moisture and the prevention of condensation within the external wall construction.  It can be applied to many surfaces including sheathing board, concrete and insulation. 

This Breather Membrane achieves A1 fire-classification when tested to EN 13859-2, the highest fire classification available.

The membrane is installed using the OBEX CORTEX 0825 Installation Kit which includes 2 rolls of 0824FR Double-Sided Tape and 6 rolls of single sided 0823FR UV Façade Tape.

Typical Uses

  • In façade construction behind cladding systems, ensuring water does not penetrate into the structure.
  • Behind external masonry or curtain walling, to safeguard the primary waterproofing from wind-driven rain and to allow moisture from inside to escape.

Product Specs

Width

1200mm x 50m

Thickness

0.20mm (+0.05mm)

Colour

White

Technical Specs

Harmonised Standard

EN 13859-2

3rd Party certification

KIWA Approval – BAW-22-244-P-A-UK

Fire Classification | EN 13501-1

A1

Watertightness | EN 13111

W2

Water vapour transmission (Sd value) | EN ISO 12572

0.03m

UV Resistance

High

Vapour resistance

0.15 MNs/g

Tensile Strength | EN 12311-2

Longitudinal – 3828 N/50mm Transversal - 1992 N/50mm

Tear strength (nail shank) | EN 12310-1

Longitudinal – 356 N Transversal - 424 N

Elongation | EN 12311-2

Longitudinal – 2.8% Transversal - 3.8%

Low-temperature flexibility | EN 1109

-40°C

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