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Airtightness test

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== Airtightness test ====== Infiltration (gap ventilation) cannot ensure a continuous and adequate exchange of air (see [[planning:building_services:ventilation:basics:types_of_ventilation|Types of ventilation]]). Most newer buildings are so airtight, that a sufficunet exchange of air through gap v

Why build an airtight house? – Leakage problems

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od of construction leads to greater comfort. * Ventilation systems with supply air and exhaust air spaces on

General principles for improving airtightness

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ecessary. For example, feedthroughs for downpipe ventilation can be avoided by the use of under-roof ventilato