planning:airtight_construction:airtightness_measurements_in_passive_houses
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planning:airtight_construction:airtightness_measurements_in_passive_houses [2021/08/24 09:54] – nsukhija | planning:airtight_construction:airtightness_measurements_in_passive_houses [2023/01/30 11:44] (current) – [2. Calculation of volumes] zbastian | ||
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The superseded standards EN 13829 and the current ISO 9972 use different designations in some places. For a better overview, the most important ones are compared here: | The superseded standards EN 13829 and the current ISO 9972 use different designations in some places. For a better overview, the most important ones are compared here: | ||
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==== 2. Calculation of volumes ==== | ==== 2. Calculation of volumes ==== | ||
- | |The air volume V< | + | The air volume V< |
- | |**Note: | + | |
- | |Irrespective of the degree of completion of the building, **the dimensions used should | + | |
- | |**A full and comprehensible room-by-room | + | |
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- | The **total air volume** within the thermal envelope will thus be taken into account. Special features are shown in Figure 2 for more detailed explanation. | + | |
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- | |Visible rafters, beams, plasterboard encasings, wall-mounted installations (if these do not have the same height as the room) and the like are not taken into account; in the calculation they are __not__ deducted for simplification. They are thus treated as if they did not exist (= air space).|**Rafters, | + | |
- | |The volume of window reveals (see Figure | + | |
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- | |**Stairs**\\ The volume of a stairwell is part of the air volume and is fully taken into account. The volume of the stairs themselves (building | + | |
- | |The volume of elevator shafts and any other kind of shafts inside the thermal | + | |
An overview of the distinctions between the VL value from the PHPP and the Vn50 value for the blower door measurement can be found [[planning: | An overview of the distinctions between the VL value from the PHPP and the Vn50 value for the blower door measurement can be found [[planning: |
planning/airtight_construction/airtightness_measurements_in_passive_houses.1629791666.txt.gz · Last modified: 2021/08/24 09:54 by nsukhija