What is a ventilation cut?

A ventilation cut is a space at the bottom of the door that allows airflow between rooms.

Why are ventilation cuts important?

They improve air circulation, prevent moisture buildup, and enhance energy efficiency.

Standards vary by region, with guidelines in Poland defined by the PN-EN 14351-1 standard.

Doors with Ventilation Cut - Standards and Applications | DOMAR - Drzwi i Okna