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Airtightness and airtightness measurement

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he air change rate necessary for good quality air can be ensured with mechanical ventilation. At the v... auses discomfort and heat losses because the heat cannot be recovered from air lost through building jo... irtightness ===== The airtightness of a building can be measured by means of an air pressure test (air... per 2000] ]]). Such excellent airtightness levels can also be achieved for modernised buildings if airt

Improving thermal bridges and airtightness in existing buildings

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lating envelope – even\\ in old buildings?**//|\\ Can this approach also be applied in the case of mode... ance is enough to identify the potentially significant thermal bridges: * Masonry projecting out of t... old buildings. \\ “Thermal bridge free design” can also be applied in the case of old buildings; but... ails the principles of thermal bridge free design can be of help. \\ Basically, the details with impro

Insulation measures for the external envelope

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r increased insulation levels is even less significant, as additional costs are practically limited to