To calculate airflow though a screen, perforated roof or floor
- Input type into the first box
- Input the length, width/height measurements in millimetres into relevant box
- Select m³/second or m³/minute from dropdown
- Input volumetric flow required
- Pressure difference each side shown in green box = Pascals (Pa)
Note: Peaceflow300 free area percentage changes with screen height due to the top cap panel and louvre configuration running to the bottom
See links to our other calculators:
