Business Description

Intelligent Membranes are the world’s leading liquid membrane suppliers and installers.

Our liquid membranes can be spray or brush applied, and our products include:

  • Passive Purple – The world’s most airtight intelligent liquid vapour control membrane. It can reach 0.03ach on any substrate it’s adhered to and is BBA approved and Passivhaus certified.
  • Passive Purple External – External facade UV protection and weatherproof membrane. Fire classification of B-s1 and LABC approved.
  • Intelligent Windows – Supplier and installer of Passivhaus triple glazed windows which are secured by design and come in any RAL colour.

Why are our products so forward thinking?

  • Certified radon barrier.
  • Passivhaus certified component for airtightness.
  • Provides a healthier & cleaner standard of living.
  • M1 Class VOC free.
  • All membrane products recyclable.
  • Helping the environment as well by planting a tree for every order taken.
  • Unlike paper membranes no huge labour time on application.
  • Dries within hours.

Here is a link to our Intelligent Windows website:

Intelligent Windows | Home

Our products assist our company’s philosophy of working towards a net-zero emissions future.


Clopton Manor, Lower Road

United Kingdom
Adam White
Owner, Creator & Passivhaus Consultant
07880 580545
Alex White
MD & Expert Airtightness Installer
07377 565737