They are usually 3 4 inch pine or fir with nothing special about them.
Building out a window frame.
It s a fairly simple project but a lot of information.
A window frame is the window s structural support.
For this project tom shows you how to install window trim that has reeded side and head casings plain corner blocks a thick stool and a dainty apron all of which he copied from the original trim.
Whether restoring old houses or building new ones that look old tom silva finds finish carpentry the most satisfying part of the job.
Window frames are divided into a head side the top sill side bottom and jambs sides.
If you re attaching the four pieces directly to the rough framing drill pilot holes with a 3 16 inch bit centered through each piece and screw the top on first.
Use the holes in the siding to find the inside of the new frame and measure back toward center the width of the side jamb usually about 3 4 inch 1 2 inch.
If the siding needs to be cut so it butts against the edge of the exterior trim cut it out using a circular saw instead of a jigsaw.
Add glue and screw the frame together with 2 inch screws to build a pocket frame.
Door and window frames span the gap between the stud frame and the wall.
In this video i ll show you how to construct a complete window trim detail job from start to finish.
Mark and drill three pilot holes spaced evenly through the ends of the top and sill pieces at each joint using a drill driver.
Door frames have three pieces.