”Infiltration and exfiltration of air in buildings have serious consequences, because they are uncontrolled; the infiltrating air is untreated and can therefore entrain pollutants, allergens, and bacteria into buildings. (…) Materials selected for the air barrier system must perform their function for the expected life of the structure; otherwise they must be accessible for periodic maintenance, such as elastomeric paint coatings on concrete block.”

Read more about Air Barrier Systems in Buildings on the website of the National Institute of Building Sciences.

If you are looking  for the airtightness products for your home – have a look at the wide range of materials on the website of one of the NSAI Partners – Passive House Systems


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