In graduation thesis I described the legislation about energy efficiency in buildings in our area from 1875 to 2010. I showed the changes in legislation through time in order to provide energy efficiency. Lowering thermal transmittance through time is shown by graphs:ud• outer wallud• roofud• ceiling between floors (unheated attic)ud• underground wallud• floor above groundud• floor on the ground.udI wrote construction examples for outer wall, ceiling between floors and roof. Construction examples are made of building materials typical for each period.
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