French windows provide an aesthetic solution to modern fire escape requirements.
French windows are excitingly different with both windows fully opening. French casements are a highly functional solution to building control requirements for minimum fire escape widths or even for access with furniture. Alternatively, home-owners might simply prefer the capability of operating both sashes leaving a totally uninterrupted open view.
French windows operate in a similar way to French Doors. One sash is the Master, which can be opened and closed at will.
French windows provides peace of mind that can come with the unrestricted means of escape route should there ever be the need in an emergency.