Center Mullion Stile Trim Transom Unit New Style PVC 60" Length

Biltbest Window Upgrade Parts - PVC Replacement for Center Mullion Trim Cap.

The center stile mullion trim cap unit. This replacement part is now only available in PVC ( will not rot etc. ). This is for a maximum finished length of 60" H that you will cut to length for casement windows.
Commonly referred to as the casement window vertical center mull.

A mullion is a vertical element that forms a division between units of a window, door, or screen, or is used decoratively. When dividing adjacent window units, its primary purpose is to provide structural support to an arch or lintel above the window opening or between two Casement Windows Its secondary purpose may be as a rigid support to the glazing of the window. When used to support glazing, they are teamed with horizontal supporting elements called transoms. In the commercial door industry, the term "floating mullion" is also applied to an interlock profile which is fitted in between a pair of double swing doors.