Acceptance measurements for airtightness (blower door) - Talstrasse Zurich
Blower door measurement office building, Talstrasse 80, Zurich
The project
Location: Zurich
Customer: Primobau AG
Phases: Air tightness measurements (blower door) for building label DGNB / SGNI
Duration: 2024
The refurbishment of the office building at Talstrasse 80 in Zurich was carried out in accordance with the DGNB / SGNI building label requirements. For certification, the airtightness of the building envelope had to be tested using measurement technology.
Positive and negative pressure test with the Blower Door system
Determination of the air permeability (qE50 - value) in accordance with standard SN EN ISO 9972 and the guideline on airtightness in Minergie buildings (RiLuMi)
Leak detection with thermography / smoke sticks
Preparation of test certificates according to DGNB / SGNI standard
Challenges
Airtightness measurement in a renovated old building
The airtight level of the building corresponded to the thermal building envelope, which is why the entire building was measured as one measurement zone.
Due to the size of the building, two blower door devices had to be installed and coupled on different floors.
Leak detection throughout the entire complex building.
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