How To Build A French Door Jamb

Make certain to weather proof the frame itself and the area surrounding it.

How to build a french door jamb.

On exterior french doors the top portion of the frame between the two door jambs will often be larger and heavier than on interior french doors. With exterior french doors sealing and weather proofing the door frame to include the door jambs is a much bigger concern. Add those measurements to the size of both doors and add an additional 1 1 4 inch to obtain the final dimensions. Remove the door from the jamb.

A door jamb is 1 inch thick has an additional 1 4 inch gap. Framing for a french door is similar to framing for a single door except there are two doors and each door will be hung one on each side of the opening. Place the door in the jamb and fasten it to the hinges. Unless you are installing a prehung door you ll need to trace the outline of the hinges on the jamb and cut an indentation using a router or utility knife.

Jamb material typically is 3 4 to 1 1 4 inches thick. When building a door jamb to fit a standard wall with a two by four frame and 1 2 inch drywall on each side the width of the jamb board typically is 4 9 16 inches. The door jamb is the vertical portion of the frame that runs along the sides of the door. You will have three gaps plus a door jamb.

The jamb frame surrounding the doors themselves consist of side jambs and a top or head jamb across the top. However french doors are usually worth the extra effort for once they are up and everything is in order they make a handsome addition to your living space whether they are interior or exterior. Remove one of the hinges from the door. The door jamb framing.

You need to allow room to place a vertical side plate and you need a 1 4 inch gap between both the doors and the jamb on each side. Using the marks on the jamb position the hinge on the jamb as if it were already installed. Make sure it s tight and opening in the right direction. Trace around the hinge and.

Screw the hinges onto the correct side of the jamb. Hang the door in the jamb.