How to Install Wainscoting in Any Room

Wainscoting involves measuring the wall height, cutting panels to size, installing a chair rail at the desired height, and attaching panels below it with construction adhesive and finishing nails.

  1. Map Your Proportions First. Measure your wall height and decide on your wainscoting height. Traditional wainscoting runs one-third of the wall height, but anywhere from 32 to 42 inches works well. Mark this height around the room with a pencil and level. Measure each wall section between corners, doors, and windows to determine how many panels you'll need and plan for any cuts around obstacles.
  2. Crown Your Panel Height. Cut your chair rail molding to fit each wall section, mitering the corners at 45-degree angles. Use a miter saw for clean cuts. Install the chair rail at your marked height using 2-inch finishing nails driven into wall studs. Use a stud finder to locate studs, and nail every 16 inches. Fill nail holes with wood filler and sand smooth once dry.
  3. Size Each Panel Precisely. Measure the height from your baseboard to the bottom of the chair rail. Cut your wainscoting panels to this height using a circular saw or miter saw. If using beadboard panels, you can rip them to width as needed. Sand all cut edges smooth to prevent splinters and ensure clean joints.
  4. Set Panels Flush and Secure. Apply construction adhesive to the back of each panel in a zigzag pattern. Press the panel firmly against the wall, ensuring it's plumb with a level. Secure with 1.5-inch finishing nails along the edges, nailing into studs when possible. Work from one corner to the other, butting panels tightly together. Use a nail set to drive nail heads below the surface.
  5. Seal and Beautify Every Edge. Install cap molding along the top edge where panels meet the chair rail to cover any gaps. Cut pieces to fit and nail in place with 1-inch finishing nails. Fill all nail holes with wood filler and let dry completely. Sand the entire installation smooth, then prime and paint or stain as desired. Remove any pencil marks and touch up caulk lines where wainscoting meets walls or trim.