Development of a new laboratory evaporation measurement device as decision support for evaporation-optimized building

► We developed a device to measure evaporation rates in the laboratory. ► The device was tested and validated by two independent working measurement methods. ► Pervious concrete samples (fine-, coarse grained and 2-layered) were measured. ► Lowest evaporation on coarse grained, highest on 2-layered pervious concrete. ► Urban evaporation rates can be regulated by the use of special pervious concrete.