1. Materials - Check batch numbers are the same. Be sure that the wall surface has the same colour.
2. Remove old wallcovering and prepare all surfaces.
 3. Ensure a plumb line.
 4. Apply the adhesive covering the wall.
 5. Put dry wallpaper and press against the prepared wall.
 6. Put the paper matching the pattern.
 7. Trim at the top and bottom.
   8. Remove excess paste.