True Class. Unique innovation - the only genuine Class B self-adhesive breather membrane.
0521FR Class B Self Adhesive Breather Membrane
Why? “Following feedback from our customers, we realised that there was a requirement in the market for a Self-Adhesive Breather Membrane that is Class B Fire-Classified on any sheathing board substrate, including Gypsum boards, Cement boards, etc. After extensive research and development, we now have another world-first product - the only genuine Class B, Self-Adhesive Breather Membrane.”
Callum Doouss Research & Development Manager, OBEX
We now have another world-first product - the only genuine Class B, Self-Adhesive Breather Membrane
0521FR Self Adhesive Breather Membrane Class B
This innovative Class-B, self-adhesive breather membrane is specifically designed for external wall and facade applications. Its unique combination of easy installation, optimal performance, and full compliance with construction regulations, positions it as the industry’s preferred breather membrane.
Key Benefits
GOLDEN THREAD ALIGNMENT Class B fire classified regardless 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. SUITABLE FOR OPEN CLADDING Also available in plain black for the ultimate solution behind open rainscreen cladding. 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.
UP TO 30% QUICKER INSTALLATION Split release liner for faster and improved installation with greater control and accuracy.
EASIER PROJECT SCHEDULING 6 months UV resistance for optimum project scheduling flexibility.
EASIER INSURANCE APPROVAL Full 3rd party approval with internationally recognised KIWA BDA. 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.
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Specification.
Product Specifications Roll Sizes
1100mm x 25m / 370mm x 25m
Thickness
0.38mm
Colours
Black / Plain Available On Request / Own Branded
Technical Data Harmonised Standard
EN 13859-2
Fire Classification
EN 13501-1
B-s1,d0
Water-Tightness
EN 1928 Method A
W1 (2kPa for 2 hours)
Resistance to Air Penetration
EN 12114
Net Leakage: 0 m³/h/m² (+/- 100 Pa)
Water Vapour Transmission (Sd Value)
EN ISO 12572
0.1m
UV Resistance
6 Months
Tensile Strength
EN 12311-1
Longitudinal: 255N/50mm Transverse: 180 N/50mm
Tear Strength (Nail Shank)
EN 12310-1
Longitudinal: 100 N Transverse: 106 N
Low-Temperature Flexibility
EN 1109
-40°C
Peel Resistance of Joints
EN 12316-2
Before Ageing - Max Peel 10 N, Average Peel 8 N. After Ageing - Max Peel 12 N, Average Peel 9 N
Class B Fire Classified On All A1 & A2 Substrates The membrane is unique in that it maintains its Class B fire classification when tested free hanging plus on all common substrates as listed below.
OBEX CORTEX 0270FR Score’N’Snap Cement Board
Gypsum Sheathing Board
Calcium Silicate Board
Cement Particle Board
Cement Board
Concrete Board
04 | SALES@OBEXUK.COM | 01905 337 800
Download Datasheets
Installation Guide
Comparison.
0521FR Self Adhesive Breather Membrane
Closest Equivalent
Features
W1 Water & Airtightness
3rd Party Certification
Class B-s1,d0 - Tested Independently
Split Release Liner
6 Months UV Resistance
Plain Black Option For Open Cladding
Tough & Durable Outer Coating
20 Year Warranty
15 years
Own Branding
Easy To Handle Roll Size
06 | SALES@OBEXUK.COM | 01905 337 800
Support.
Technical & Customer Support Package
» Technical Design-Detail Support » Technical Compatibility Support » Project Packs (Tech Subs) » On-Site Installation Training
» QA Checks & Reports » Next Day Delivery* » Available On NBS
* T&C’s Apply
Online Project Support
» Easy Project Set-Up » Product Selection & History » Upload Design Details For Technical Advice » Request samples, quotes, site visits » Access Tech Sub » Download Technical Documents » Access QA Reports » Archive For Golden Thread
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OBEXGLOBAL.COM | 07
obexglobal.com Call: +44 (0) 1905 337800 | Email: sales@obexuk.com © Copyright 2023 OBEX. All rights reserved. Company Registration No. 09157067, VAT no: 868 7649 48
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