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About Us

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. From the revolutionary Passive Purple range of airtight and weatherproof membranes to Fred Fire Paint, our fire-resistant coating, we are dedicated to ensuring buildings are safe, energy-efficient, and built to last. Our Product Line Includes:

Passive Purple: 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: 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: A fast-acting waterproof solution for roofing and external walls, delivering complete water protection within one minute of application.

Fred Fire Paint: Our fire-retardant coating developed to safeguard spray foam insulation and timber structures, providing critical protection in fire-sensitive areas.

IM Primer: An essential primer for improving adhesion on challenging surfaces, ensuring that coatings and paints adhere securely for long-term durability.

Supergrip: A heavy-duty adhesive that ensures strong, long-lasting bonds on a wide range of surfaces.

Fleece Airtight Window Tape: Designed to create a flexible, durable, and airtight seal around windows and doors, improving energy efficiency.

Passivhaus Brickseal: A specialized product ensuring airtight and moisture-resistant sealing for brick and masonry surfaces in Passivhaus-standard projects.

Goat Sealant: 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. .

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Discover How We Can Be Part of Your Next Eco Build

The Intelligent Membranes products can be and have been implemented across a broad variety of sectors, from timber frame, masonry construction to large scale retrofit projects . We take pride in the fact that our products have been used for such a wide array of eco projects and continue to support builders, globally. We have in-house Passive House consultants on hand to help guide you through from detailing to on-site guidance on where products can go. So if you want to know

What does a vapour control layer do?

Do you need a vapour control layer on a cold roof?

Do you need a vapour control layer?

Its time to be the next

Net-Zero HERO

Passive Purple Editions

The same powerful formula, in a variety of colours to help you mark out the different areas of your Intelligent envelope areas

Meet The Founders

  • Adam White

    CEO & Founder

    Owner, Creator and Passivhaus Consultant at Intelligent Membranes, Adam White lives and breathes Passivhaus building standards. Through his suite of companies, Intelligent Membranes included, he is driving environmentally forward-thinking initiatives into the building sector.

  • Alex White

    MD & Founder

    Managing Director and Expert Airtightness Installer at Intelligent Membranes, Alex White, cut his teeth in the construction sector, developing environmentally friendly framing to support builders in their eco goals. Hands-on and passionate about airtightness, Alex is a master installer, working with builders to bring their projects to life.

  • Loz Lock

    Social Media Coordinator

    File:LinkedIn logo initials.png - Wikimedia Commons

    Content creator with Passive Purple running through her veins, Loz Lock knows the Intelligent Membranes brand like the back of her hand. From promoting products on social media to editing the latest version of the company brochure, she’s net zero all the way.

     

World’s Most Airtight Bar

Introducing the World’s Most Airtight Bar

The world’s very first airtight pub is now open for business in Cambridgeshire. Yep, we made a bar.

View The Bar