Louvre Sizing Calculator

Input design airflow and louvre dimensions to analyze face and free area velocities.

System Parameters

Calculated Results

Design Guidelines: Recommended free area velocity is typically maintained between 2.5 m/s and 3.5 m/s. Velocities exceeding 3.5 m/s increase the risk of water carry-over and excessive pressure drop.

Louvre Profile Configuration
Velocity vs Free Area