20th International Passive House Conference in Darmstadt

About ten days ago, we took part to the 20th International Passive House Conference in Darmstadt, Germany. Now at its 20th edition, this passive house-focused event brings together researchers, designers, experts and manufacturers from all around the world.

Airtightness in roof

Airtightness: why is it so important?

With this article, we address one of the most important topics in the field of energy efficiency: the airtightness of the thermal envelope. Whether the building is a new construction or a renovation, its airtightness plays an important role for comfort, energy efficiency and durability of the structure.