The window sash would be the movable part that holds the glass panes, While the window frame is the stationary portion that encases the sash and anchors it on the wall.  is the UK's greatest-advertising period homes journal. A subscription provides you with all you need to know about caring https://sash-windows62726.blogdemls.com/35803217/the-smart-trick-of-sash-window-draught-proofing-that-nobody-is-discussing