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Air infiltration in New Zealand houses.

Bassett M., 1983
air infiltration | air tightness | modelling | residential building
Bibliographic info: 4th AIVC Conference "Air infiltration reduction in existing buildings" Elm, Switzerland, 26-28 September 1983
Languages: English

Reviews air infiltration studies in New Zealand. Tighter houses have evolved over the years through changes in building methods and materials. Some of the tighter houses can have condensation problems. Investigates the airtightness of 40 houses together with the leakage resistances of a range of building components and bulk sheathing materials. A comparison with houses in other countries shows that comparatively tight houses can arise from simple construction methods not employing vapour barriers. Gives air infiltration rates as a function of windspeed for 4 of the 40 houses. Uses 2 simplified models to calculate infiltration rates that agree with the experiment within the limits of the ability to assign wind exposure factors to the building site.


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