Air tightness of buildings in the Arctic Circle housing fair, Rovaniemi, Finland

Kai Ryynanen

doi:10.1117/12.420999

23 March 2001 Air tightness of buildings in the Arctic Circle housing fair, Rovaniemi, Finland

Kai Ryynanen

Proceedings Volume 4360, Thermosense XXIII; (2001) https://doi.org/10.1117/12.420999
Event: Aerospace/Defense Sensing, Simulation, and Controls, 2001, Orlando, FL, United States

Abstract

Air leak through the external envelope leads to many inconveniences. Higher consumption of heating energy, draft and possible moisture defects are the result of air infiltration. The automatic ventilation system of the house can also be thrown off balance. The factors mentioned above, together with poor knowledge of airtightness of houses, was reason to start this project airtightness of the buildings in the arctic circle housing fair in Rovaniemi, Finland. The airtightness of houses measured by using the fan pressurization method, according to international standard ISO DIS 9972. The fan pressurization method means that in building caused negative air-pressure from normal approximately 0 Pa up to 50 Pa over the buildings envelope. The air leakage points are searched by using thermal camera. In this project made research differences between materials, structures and production styles. The method and equipment for measuring airtightness are tested and developed in project.

Citation Download Citation

Kai Ryynanen "Air tightness of buildings in the Arctic Circle housing fair, Rovaniemi, Finland", Proc. SPIE 4360, Thermosense XXIII, (23 March 2001); https://doi.org/10.1117/12.420999

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