How To Frame A Pocket Door Rough Opening. Now you re ready to attach the split jambs. The next step is to put a nail or screw in the center of each side jamb the studs on the side of the pocket door opening.
This will need to be 1 inch 2 54 cm more than twice the length of the pre existing header since it will need to span the distance of the entire rough opening. Assemble the pocket door. Make the rough opening for a pocket door two times the width of the door plus 1 inch with a height of 84 1 2 inches from the highest spot on the subflooring.
Frame the rough opening.
Place header on top of frame and insert metal stiffeners of the frame into the slots in the header. The placement of this nail in my case is determined by your finished floor height. Using 2 4 studs frame a new rough opening to fit the dimensions for the door jamb indicated by the manufacturer of the pocket door kit. Backboard of frame inserts flush with end of header fasten with nails or screws not provided.