PassivHaus
Passivhaus, also spelt Passive House, is an international standard for reducing the ecological footprint of a building by building them to be ultra-low in energy consumption.
Passivhaus Design
Passive Haus design solutions are relatively simple to implement, shown in our gallery here. This includes installing proper windows, proper orientation and adopting heat recovery ventilation. Intelligent Membranes CEO, Adam White has installed Passive Haus design into a number of buildings. With all of the powerful elements, it was found that a house with Passive Haus design elements uses 90% less energy than a typical home.
Our Sectors
Our breadth of knowledge and experience means we are well-placed to deliver exceptional eco-conscious products suitable for a variety of applications directly to you.
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Self Build
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Commercial Conversions
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Retrofit / Heritage
Internal Airtight Paint
Fire Class C – SL, d0
ASTM Fire Class A
EN 13501-1:2018, cl. 11
When applied, the airtight liquid vapour control increases the lifespan of building components whilst simultaneously reducing energy consumption which in turn, saves you more money.
Passive Purple Internal has a BS Fire Class C rating unlike our competitors that only have a fire class E rating! Meaning the competition will burn like hell!

- InternalColours
AvailablePassive Purple – BIG BOY – Vapour Control Paint (11.4kg) – Spray / Roller Applied
Spray/Roll Price Not Available In Your Country, Please Contact Us - Internal Colours
Available33%Off!Passive Purple Brush – Home Pack (6.9kg) – Vapour Control Paint – Brush Applied
Brush Price Not Available In Your Country, Please Contact Us - Internal
Airtight White – BIG BOY – Vapour Control Paint (11.4kg) – Spray / Roller Applied
Spray/Roll Price Not Available In Your Country, Please Contact Us - Internal 33%Off!
Airtight White Brush – Home Pack (6.9kg) – Vapour Control Paint – Brush Applied
Brush Price Not Available In Your Country, Please Contact Us -
Passivhaus Airtight Sealant – 600ml
Enquire Now Below Price Not Available In Your Country, Please Contact Us
External Airtight Paint
Fire Class B – S1, d0
ASTM Fire Class A
EN 13501-1:2018, cl. 11
Passive Purple External is a ready-to-use facade waterproof membrane.After application with an airless spray device or paint roll, it dries to a durable, flexible, watertight, UV resistant and damp-open membrane.
Passive Purple External has a BS Fire Class B rating unlike our competitors that only have a fire class E rating! Meaning the competition will burn like hell!

Passivhaus standards
This performance-based energy standard has been around for decades, although it’s been thrust into the zeitgeist more recently as a result of global commitments to the environment. It hosts a number of benefits such as improved air quality, thermal comfort, self-maintained moisture and humidity levels, increased space and increased daylight.
Although marketers of this concept often point to high-end projects to show off the efficiency of the Passivhaus strategy, the reality is that all builders can benefit from the Passivhaus standards. You don’t have to be “high-end” to be eco-conscious and build smarter buildings.