At Intelligent Membranes, we are proud to be one of the world’s leading manufacturers of liquid applied membranes. Our commitment to innovation and sustainability has positioned us at the forefront of eco-friendly, high-performance building solutions designed to meet the highest standards of energy efficiency and environmental responsibility. Our diverse range of products is trusted worldwide for their durability, versatility, and effectiveness, making us a leader in the construction industry.
Our flagship product, Passive Purple, is a brush- or spray-applied membrane that’s both airtight and vapour-permeable, offering a reliable alternative to traditional tapes and barriers. Recognised for its performance and simplicity, Passive Purple has been adopted on major projects across the UK and Europe.
We’re proud to work closely with architects, contractors, and developers to deliver smarter, greener buildings. Backed by in-house technical support, training, and a commitment to environmental responsibility, Intelligent Membranes is redefining how airtightness and moisture management are achieved on-site.
About the company:
Our Product Line Includes:
Passive Purple:Â A Passivhaus-certified, liquid-applied air and weather-tight membrane designed to ensure optimal energy performance for both new builds and retrofit projects.
Passive Purple X:Â An extra breathable variant perfect for both internal and external applications on walls that need airtightness but also require controlled vapor movement.
Passive Purple External: A versatile weather barrier available in purple, black, cream, and white—ideal for timber frames and cladding applications.
Goat Waterproof Membrane:Â A fast-acting waterproof solution for roofing and external walls, delivering complete water protection within one minute of application.
Fred Fire Paint:Â Our fire-retardant coating developed to safeguard spray foam insulation and timber structures, providing critical protection in fire-sensitive areas.
IM Primer:Â An essential primer for improving adhesion on challenging surfaces, ensuring that coatings and paints adhere securely for long-term durability.
Supergrip:Â A heavy-duty adhesive that ensures strong, long-lasting bonds on a wide range of surfaces.
Fleece Airtight Window Tape:Â Designed to create a flexible, durable, and airtight seal around windows and doors, improving energy efficiency.
Passivhaus Brickseal:Â A specialized product ensuring airtight and moisture-resistant sealing for brick and masonry surfaces in Passivhaus-standard projects.
Goat Sealant:Â A liquid-applied airtight sealant acting as an alternative to traditional grommets, offering superior gap sealing around cables and penetrations.
Our dedication to sustainability, innovation, and quality drives everything we do at Intelligent Membranes. As a leading force in liquid applied membrane technology, we focus on Net Zero construction, Passivhaus certification, and environmental responsibility, delivering building solutions that not only meet today’s challenges but are designed for the future.
Whether you're aiming for airtightness, fire protection, or long-lasting waterproofing, Intelligent Membranes has the products you need to create energy-efficient, safe, and sustainable buildings. .
