While you can expect differences among manufacturers, siding systems generally include 12-foot-long pieces, window-door trim channel, J-channel, utility channel, corner moldings, and metal starter ...

5. Install Bottom Trim. Mark a level line at the bottom edge of the future siding. Install the bottom trim along this line. Cut corners at 45-degree angles and fasten with siding screws every 12 ...

Clean up the coped cuts with a file or sandpaper. A round file works well for tight curves. Pro tip: Keep a scrap of the trim handy so you can check the fit as you fine-tune the cope. With complex ...

So if you have two pieces of trim meeting at a 90-degree corner, each miter is cut at 45 degrees. There are three types of open miters. A miter can be open at the top of the joint, the bottom of ...