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What are the benefits of liquid and sprayable seals when it comes to ensuring permanent air tightness of components that are connected on construction sites? What is the cost benefit of spraying compared to adhesive tape that is applied manually? We captured pictures and data during a renovation project and analyzed the quality...
 

Especially when dealing with indoor pools the existing ventilation system is often used for negative pressurization on the building envelope to protect the roof structure from damage caused by convection. As seasons change, however, air leaks from the outside lead to high indoor humidity fluctuations. These fluctuations may cause timer shrinkage...

Only qualified specialists can deliver airtight building envelopes. Unfortunately, such airtight envelopes still have many defects after completion, causing all kinds of adverse effects. This course is intended to train and qualify contractors and workers to ensure that they are able to seal building envelopes without instructions, safely and...

The French database of building airtightness has been fed by measurements performed by qualified testers since 2006. The database is enlarged each year by more than 65,000 measurements since 2016, making the total number of measurements about 420,000 at the end of 2018. This work presents a statistical analyses...

AIVC's Ventilation Information Paper #45.6 summarizes current knowledge on trends in building and ductwork airtightness in France.

A recorded presentation covering this topic is also available in English & French. 

AIVC's Ventilation Information Paper #45.5 summarizes current knowledge on trends in building and ductwork airtightness in Latvia.

A recorded presentation covering this topic is also available at this link.

AIVC's Ventilation Information Paper #45.4 summarizes current knowledge on trends in building and ductwork airtightness in Belgium.

A recorded presentation covering this topic is also available at this link.

AIVC's Ventilation Information Paper #45.3 summarizes current knowledge on trends in building and ductwork airtightness in the Czech Republic.

A recorded presentation covering this topic is also available at this link.

AIVC's Ventilation Information Paper #45.2 summarizes current knowledge on trends in building and ductwork airtightness in Spain.

A recorded presentation covering this topic is also available at this link.

AIVC's Ventilation Information Paper #45.1 summarizes current knowledge on trends in building and ductwork airtightness in Estonia.