Breakdown of Wood Window Parts
These helpful diagrams describe the various window components and explain their functions.
Rails
Rails are the horizontal window components of a sash. The two rails that meet in the middle of double hung and single hung windows are called check rails.
Sash
The part of the window that holds the glass and opens and closes is called the sash.
Glazing
Window glass
Stiles
Stiles are the vertical components of a sash.
Sash Tilt Pin
The mechanism that allows sashes on double hung and single hung windows to tilt in for easy cleaning is called the sash tilt pin or sometimes referred to as a cam pivot.