Building information modelling is a process involving the generation and management of digital representations of physical and functional characteristics of places.
“UL Select” is an Excel sheet which enables users to make their own selection of Colt louvre systems based on the weathering classification and aerodynamic performance required for the system. If the area of louvre or the airflow is known, the program provides the pressure drop. If the flow rate and the maximum pressure drop are known, the program provides the minimum size of louvre.
