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OBEX CORTEX 0521FR Class B Adhesive-backed Breather Membrane.


The OBEX CORTEX 0521FR is a Class B fire-classified, self-adhesive breather membrane engineered for external wall and façade applications. This advanced membrane integrates a fire-classified, self-adhesive backing and breathable, and airtight layer, offering a fully compliant solution in line all UK construction regulations.

Designed with a focus on ease of installation, superior performance, and compliance with construction standards, the OBEX CORTEX 0521FR sets a new benchmark in the field of breather and vapour permeable membranes for external applications. Its innovative features ensure it stands out as the superior option for professionals seeking reliable and effective building envelope solutions.

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Key points
  • GOLDEN THREAD ALIGNMENT– Class B fire classified, independent of the substrate, for full compliance with Reg 7.
  • REDUCE WATER INGRESS ISSUES– Rigorously tested to EN 1928 achieving W1 water resistance for ultimate performance.
  • EASIER PROJECT SCHEDULING– 6 months UV resistance for optimum project scheduling flexibility.
  • SUITABLE FOR OPEN CLADDING– Also available in plain black for the ultimate solution behind open rainscreen cladding.
  • EASIER INSURANCE APPROVAL– Full 3rd party approval with internationally recognised KIWA BDA.
  • LESS WASTE & DAMAGES– Excellent scuff and tear resistance with a highly durable outer coating.
  • IMPROVED HEALTH & SAFETY– Ergonomically designed roll sizes to aid manual handling and reduce musculoskeletal issues.
  • COMPLETE PEACE-OF-MIND– 20 year warranty for full confidence in the integrity of the product.
  • PROMOTE YOUR OWN BRAND– Custom options available to elevate your brand’s visibility and enhance brand recognition.
  • UP TO 30% QUICKER INSTALLATION– Split release liner for faster and improved installation with greater control and accuracy.

Specification

Length: 25m
Width: 1.1m
Thickness: 0.38mm
Fire Rating: A2-s1, d0

Application

For use on external façades, normally applied direct to the sheathing board to prevent water ingress and allow vapour to escape.

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OBEX CORTEX 0521FR Class B Adhesive-backed Breather Membrane.
Stirling Shop

Unit 3, 24 Munro Road
Springkerse Industrial Estate
Stirling FK7 7UU
United Kingdom

Pickup available, usually ready in 24 hours

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