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Home / Publications / ePress Series / The Effect of Airtightness on Indoor Air Quality in Timber Houses in New Zealand

The Effect of Airtightness on Indoor Air Quality in Timber Houses in New Zealand


This two-part study considers the impact of airtightness based on volatile organic compounds (VOCs) only. Two identical buildings (test and control) were constructed in Auckland, New Zealand. The test building contained an Intello vapour check membrane to reduce airflow and subsequent heat loss. Air change rates (air changes per hour, or ACH) were calculated from air-leakage rates in each of the buildings. For the test house, an average ACH taken from six consecutive tests was 1.88 compared with 8.27 for the control house. 

Read the paper

Berry, T., Chiswell, J.H.D., Wallis, S.L., & Birchmore, R. (2017). The Effect of Airtightness on Indoor Air Quality in Timber Houses in New Zealand. Unitec ePress Occasional and Discussion Paper Series (2017:9).

https://doi.org/10.34074/ocds.92017

About this series:

Unitec ePress periodically publishes occasional and discussion papers that discuss current and ongoing research authored by members of staff and their research associates. All papers are blind reviewed. For more papers in this series please visit: https://www.unitec.ac.nz/epress/index.php/category/publications/epress-series/discussions-and-occasional-papers/


  • Author(s): Terri-Ann Berry, Jordan H. D. Chiswell, Shannon L. Wallis and Roger Birchmore
  • ISSN: 2324-3635
  • Date of Publication: 13.12.2017
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