A window sash is the unified framed part of the window which holds the sheets of glass in place along with relevant components such as the mullions or muntins.
Casement window sash definition.
Hinged at the top.
A window with such sashes.
A case or covering.
A casement is a window that is attached to its frame by one or more hinges at the side.
They are used singly or in pairs within a common frame in which case they are hinged on the outside.
Windows hinged at the top are referred to as awning windows and ones hinged at the bottom are called hoppers.
A casement window is another extremely popular window type among homeowners available in wood fiberglass and vinyl.
Operated by a hand crank a casement windowpane extends open away from the home to catch breezes.
Casement windows are often held open using a casement stay.
A window sash is not the entire window since a window may be composed of more than one window sash.
Casement definition a window sash opening on hinges that are generally attached to the upright side of its frame.
The crank allows homeowners to direct how much air enters the home.