Calculator for Louvreclad Ventilation Louvres



  • To use this calculator, input data and select from drop-down menus. Pressure Drop, Effective Aerodynamic Area and Rain Defence Classifications will then be calculated accordingly.
  • All Louvreclad performance louvres are tested and classified in accordance with AS/NZS 4740:2000 test standard for Natural Ventilators – Classification and Performance.
  • The results provided are based on proprietary systems and typical details only. As every project is unique, please contact Louvreclad to confirm project specific performace data.