The finishing touch to a job well done on a wainscoting project. It is used to cover the top edge of Wainscoting or panelling for esthetic purposes. Other monikers include the terms Dado Cap or Ply Cap. Create a tiered level of design opportunities and possibilities by installing your ply cap, parallel to baseboard, on top of panelling or wainscoting to add a decorative flair to the lower portion of your wall treatment. Tap your imagination and let your creativity flow into the room!