Milan Powder Coating

french door

Its purpose is to allow quick and easy access to the adjacent space without having to fold and slide all door panels in the bi-fold system. They provide a perfect and dramatic way of combining your indoor and outdoor living spaces.

Different Types Of French Doors:

 

They are designed to open outwards to allow better flow of air and light. Internal French Doors: These doors are used as separators between two rooms. The glass panels give an illusion of a larger space in the house, along with sufficient ventilation throughout the house.

 
The answer to this question is quite simple and obvious – It is because these types of double doors were first popular and fashionable in France – starting with French windows and evolving into doors and hence became known as French doors.