Nail the trim onto the jamb first and then to the window casing framing, as you did with the top piece. Glue and Pin for a Solid Miter Fasten corners and glue and pin together the miter from both ...

If you’ve got door or window trim to install at your place, and have some basic woodworking skills, let me show you a better way to go about the job than just buying standard, high-price paint-grade ...