In Episode 20 of the Sew Much More Podcast: 30-Minutes with Workroom Tech (air date July 24, 2019) host Ceil DiGuglielmo and workroom expert Susan Woodcock share tips and techniques for attaching window treatments to boards.
You can listen to the podcast here: Board Mounted Window Treatments
Just about any style of window treatment can be board mounted including valances and top treatments, shades, and draperies. When board mounting, the most important part is to keep it neat. That is a standard for professional workrooms to follow. There should not be any frayed edges or staples showing, and the board should be covered in a matching fabric or lining. Mount boards can also be painted.