0520FR

Breather Membrane
W1

Class B - 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
  • 6 Months Exposure 6 Months Exposure
  • Class B Class B
  • EI60 Certified EI60 Fire Test Component
  • Breathable Breathable
  • W1 - EN 13859-2 W1 - EN 13859-2
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Full Product Description

OBEX CORTEX 0520FR Class B 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 has a watertightness rating of W1 and is therefore especially suited to demanding applications where the highest levels of water resistance are required.

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

  • Class B external breather membrane for use in facades and other construction applications.

Product Specs

Width

1500mm

Length

50m

Thickness

0.3mm

Colour

Black with white printing

Technical Specs

Harmonised Standard

EN 13859-2

Fire Classification | EN 13501-1

B-s1,d0

Watertightness | EN 1928

W1

Sd value | EN ISO 12572

0.1m

Tensile Strength | EN 12311-2

Longitudinal – 255 N/50mm, Transversal - 180 N/50mm

3rd Party Approved

KIWA Approval – BAW-22-245-P-A-UK

UV Resistance

6 Months UV Resistance

Downloads

OBEX CORTEX 0520FR Breather Membrane KIWA Certificate

OBEX CORTEX 0520FR Breather Membrane Installation Guide

OBEX CORTEX 0520FR Breather Membrane Class B TDS

OBEX CORTEX 0520FR Breather Membrane Class B SDS

OBEX CORTEX 0520FR Breather Membrane Class B DoP

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Product Order Codes

Product CodesProduct DescriptionWidthLengthBox Quantity
20.0520.001OBEX CORTEX 0520FR Breather Membrane - Class B-s1,d01500mm50m 1 roll

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