Glue the head casing to the head jamb making sure its bottom edge lines up with the reveal line.
Framing around inside windows.
What you need measuring tape stud finder hammer nail set flat pry bar drill with screwdriver bit level combination square framing square reciprocating saw handsaw stapler.
Measure out the exact cut that you ll need for around the window cut that section out so it almost looks like a big hat and then lay it right down on the windows ledge like so.
With a miter saw make square crosscuts at those marks.
The style and material used to make the casing.
There are several parts that make up the inside framing of a window.
The casing is the framing that goes around the top and side edges of the window.