Both sides open fully leaving a clear, unobstructed opening.
This gives an easy escape route should there ever be an
The French Window
provides an attractive, highly functional and reliable solution
to a British problem where a fully opening window is needed to
meet fire and Building Regulations or for access with furniture.
Alternatively, home-owners might simply prefer the capability of
operating both sashes leaving a totally uninterrupted open area.
Our French Windows operate in a similar way to French Doors. One
sash is the Master, which can be opened and closed at will. The
second is the Slave sash together with the floating mullion,
that can only be opened when the Master is open. A shoot bolt
provides security to the slave with an Espagnolette to the