Steinemann U
Bibliographic info:
Air Infiltration Review, Vol 7, No 3, May 1986, pp 1-3, 3 figs, 2 tabs, 9 refs.

In the last few years energy regulations have been introduced in many Swiss Cantons. The main goal of these regulations, relative to the building envelope, is to improve the insulation value. Consequently, typical current construction for new buildings is characterized by exterior wall and roof insulation U-values under 0.5 W/m2.K and windows with triple glazing or its thermal equivalent.