λdesign,mas thermal conductivity rated valueAUT
Austrian rated heat conductivity value. This value is to be used for thermal performance calculations (energy performance certificates, etc.).
Definition for masonry: The rated heat conductivity value of the masonry (including the material, brick geometry and joint proportion) is indicated with ?design,mas and determined in terms of 50% fractile values.
Proof: The substantiation must be in accordance with ÍNORM EN 1745, ÍNORM B 3200 and ÍNORM EN ISO 10456.