Protection liquid waterproofing PASSIVE PURPLE EXTERNAL BUNDLE

air barrierconcretefor facade

Overview
The Passive Purple External Bundle combines Intelligent Membranes' Fire Class B, liquid-applied airtight and weatherproof façade membrane in one complete pack for external airtightness and weather protection. Raintight yet vapour-breathable, it is designed for timber frame, retrofit and high-performance façade projects and cures to form a seamless continuous barrier compatible with common insulation and cladding substrates.

Key product features

• Fire classification: Fire Class B
• Format: Liquid-applied membrane (complete pack / bundle)
• Airtight and weatherproof façade membrane
• Raintight while vapour-breathable
• Intended installation contexts: timber frame, retrofit, high-performance façades

Related Guides

• Airtight and Vapour Control for High-Rise Re-Cladding
• What is Airtightness (and Why It Matters for Net Zero Buildings)
• Damp Walls? Two Breathable Solutions That Actually Work

Technical specifications

• Brand: Intelligent Membranes
• Commercial name: Passive Purple External Bundle
• Fire classification: Class B
• Type: Liquid-applied airtight & weatherproof façade membrane (bundle)
• Performance: Raintight; vapour-breathable
• Applications: Timber frame, retrofit projects, high-performance façades
• Price (excl. VAT): 1,533.00 USD (sale price shown on page)
• Availability: Sold out (badge shown on product page)