For architects and specifiers
How to specify this product
The NBS clauses and Uniclass codes this product is specified under, with clause wording you can paste straight into your specification.
NBS clauses
- P10/320Breather membrane
- H92/785Breather membrane
- H22/130Breather membrane
Uniclass 2015
- Pr_25_57_10_94Vapour-permeable sheets
Clause wording
BREATHER MEMBRANE – LIQUID APPLIED Manufacturer: Intelligent Membranes Ltd, Cambridge. Tel 01223 208174. intelligentmembranes.com Product reference: Passive Purple External / Passive Purple X liquid-applied airtight, rain-tight, vapour-permeable membrane, spray/roller grade, with Passive Purple External Brush for detailing. Use: Internal and external faces of the building envelope, including façades. Reaction to fire: Class B to EN 13501-1 (Passive Purple X: B-s1,d0 on A1 substrates of density 653 kg/m³ or more). Certification: Passivhaus Institute certified. KIWA approved. Properties: Airtight, rain-tight, vapour-permeable, crack-bridging and UV resistant. Installation: In accordance with the manufacturer's current technical data sheet and installation guide. Note: Designer and building control body to confirm suitability against the fire strategy for the building.
Check against the current technical data sheet before issue. Certificates are in the Downloads tab.
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