You can build a lining from individual lengths of timber but it is easier to buy a door lining kit.
Fitting a door frame into a stud wall.
Make a header by fitting two 2 x 8s around a 1 2 inch piece of plywood.
Measure and cut the door stop for the top plate and nail it into place.
By screwing the frame in place you can adjust it by winding the screws in out later and wedging behind it.
Cut the header to fit between the king studs.
These kits usually.
To make the studs measure the height of the door to be installed.
The boards secured in an upright position along the sides of the frame are referred to as studs and are used to support the wall.
Using this mark as a guide cut and fit a horizontal header stud for the doorway.
Make sure that all studs are plumb perfectly vertical and the header is level.
Toenail the cripple stud to the top plate and the side of the header.
Construct the rough opening or modify the existing wall to fit the rough opening dimensions for the door jamb supplied by the manufacturer of the hardware.
Install a cripple stud between the header and the top plate halfway between the king studs.
This piece the header should fit snugly between the king studs while resting fully on the top edges of the trimmer studs.
Before fitting a door into an opening in a stud or brick wall you need to fit a door lining.
The door lining gives you something to firmly affix the hinges to as well as forming a cleaner finish to the inside of the opening.
They add support and.
Remember to measure from the floor level rather than from the sole plate the timber stud fixed to the floor that creates the bottom of the stud frame.
Install the cripple studs.
Use this mark to position your door stop.
Then mark the lines for the stops on the sides of your jamb measure and cut them to length and finish by nailing them into place.
The board that transverses the top of the studs is called the top plate.
Cut and fit a short stud to fit between the door header and the ceiling plate if possible.
Nail it into place using 3 inch nails.
When fitting a door frame to stud work walls i drill and countersink 8 10 holes in each leg in pairs 100mm down from the top the same up from the bottom and then equally spaced in between.
That being said follow the list below for the standard process on how to install a pocket door.