Air tightness - action and measurement results from 81-82. Lufttetthet Tiltak og maleresultater fra 81-82

Reports air tightness measures and variations in 14 low-energy houses in Heimdal, plus testing of energy saving measures for exposed detached houses. The air tightness should be considerably improved according to the regulations. Treats principles of air tightness, pressure measurement, thermography tracer gas measurements and heat loss measurements.