BUILDHACKS
BILLY Bookcase Built-In

BILLY Bookcase Built-In

Transform standard BILLY bookcases into a high-end built-in library that looks like custom cabinetry. This hack adds architectural interest and significant storage to any room.

Workspace
Hard
6-8 hours
DIY Project

Step-by-Step Instructions

  1. 1
    Measure your wall space and plan the arrangement of BILLY bookcases.
  2. 2
    Assemble the BILLY bookcases according to IKEA instructions.
  3. 3
    Secure the bookcases to the wall and to each other.
  4. 4
    Add height extension units to reach the ceiling.
  5. 5
    Install baseboards along the bottom to match existing room trim.
  6. 6
    Add trim pieces to cover gaps between units and at the sides.
  7. 7
    Install crown molding along the top.
  8. 8
    Fill any gaps with wood filler and caulk.
  9. 9
    Paint the entire unit to match your room's trim color.
  10. 10
    Allow paint to dry completely before adding books and decorative items.