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Why build an airtight house? – Leakage problems @planning:airtight_construction:general_principles

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* A well-insulating building component doesn’t have to be airtight: e.g. one can easily “blow through... onversely, an airtight building component doesn’t have to be insulating, e.g. an aluminium sheet is abso... ures as "very tough" is just a beginners view; we have seen that again and again: after some experience,... ell designed projects of an experienced team will have n50-values of some 0,3 to 0,5 h^-1.)

Airtightness measurements in Passive Houses

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me, all installations, screed, cladding etc. will have been completed already. It will not be possible t... eration). In such cases, ventilation systems must have tightly shutting flaps at the outdoor air and exh... us measurements in large and very large buildings have shown that this target value (or even lower value

Airtightness test @planning:airtight_construction:general_principles

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uctural protection requirements, i.e. they would have to be classified as "non-airtight" with leakage r

Checklist: Test reports of airtightness measurements @planning:airtight_construction:general_principles

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General principles for improving airtightness @planning:airtight_construction:general_principles

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s, formwork techniques and in steel constructions have demonstrated that airtightness is not about the s