
The two contact surfaces on a piece of crown molding that fit flat against the ceiling and the wall of a room are at angles that, when added together, equal exactly 90°. Most crown molding has a top rear angle (the section that fits flat against the ceiling) of 52° and a bottom rear angle (the section that fits flat against the wall) of 38° . LAYING MOLDING FLAT ON THE MITER TABLE See Figure 29. To use this method for accurately cutting crown molding for a 90° inside or outside corner, lay the m