How To Install Transom Window Over Door

Align the sides so that the jambs of the transom unit and door unit are perfectly aligned.

How to install transom window over door.

The final step is the installation of window trim. To accomplish this nail the transom jamb to the head jamb of the door or cased opening beneath it. The transform comes separately and must be attached to the door jamb. Assemble the door and transom on a very flat surface.

Temporarily secure the unit in place by installing screws in the center predrilled hole locations on both jambs. Cut the casing the two legs and the one header and install on one complete side of the transom. Make sure that the transom is secure and in place before opening and closing the door. Slide transom unit into the opening directly atop the head jamb of the door.

A transom window is a traditionally fixed window over a door or an operating sash window. Once everything is assembled it will be necessary to measure the door and transom together as one unit. Position the transom in the opening above the door and secure it in place with clips and caulking. If installing a transom window over an existing door select a style that incorporates some of your door s architectural design elements.

With the transom in hand have an assistant help you with the installation above the door. Jamb faces should be flush on both sides. Screws but don t tighten them all the way at this time. If you need to install a transom window watch our instructional videos to measure plan and install transoms in almost any scenario interior or exterior.