Learn more about Airtight buildings

What is building air leakage?
Air Leakage (or infiltration) is the flow of outside air into and out of a building. It is not planned by the designers and is due to imperfections in ... More...

Why do we measure the airtightness of a building?
A building that complies with recommended levels of air leakage has a guaranteed performance. ...More...

What’s involved in achieving a good level of airtightness?
Careful design, specification and quality control during construction.. More...

Airtightness, what standard should my building achieve?
The airtightness level of the building envelope should avoid causing draughts and discomfort and increasing heating system energy consumption. More...

Airtight buildings now and in the future.
Increasing levels of insulation together with airtightness are bringing us closer and closer to the building which only requires a heating system for pre-heating the building during the winter season. ... More...