NOT KNOWN FACTS ABOUT SASH WINDOW DRAUGHT PROOFING

The window sash is the movable component that retains the glass panes, While the window frame may be the stationary component that encases the sash and anchors it towards the wall.Glass Pane: This is actually the true glass in the middle. Some sashes have just one pane, while some have two or even more for far better insulation.Condensation Control