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DIY Window Bookshelf

Not every window comes with a sill for displaying or storing items, and some windows come with sills that are too small for either task. If you have a window with such an absence or a paltry sill or you have a window that's too small or high to give much of a view, adding a wall shelf to it is one way to give it new life. Your window then becomes a part-time bookshelf, display cabinet or curio cabinet, greatly enhancing its function.

Things You'll Need

  • Measuring tape
  • Wood board, 1 inch thick, 6 to 10 inches wide
  • Electric saw
  • 2 Wooden L-brackets
  • Paint or stain
  • 3-inch brush
  • Clear polyurethane
  • Studfinder
  • Chalk
  • Hand drill
  • Screws
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Instructions

    • 1

      Measure the width of your window. Write down the measurement; this will be the length you cut your wood board to. Measure out this length on your wood board. Trim it down to size with an electric saw.

    • 2

      Stain or paint the board and wood brackets to match your window frame, using a 3-inch brush. If using stain, give the stain 20 minutes to penetrate, then wipe off the excess with a lint-free cloth. Apply another coat, repeating the same procedure. If using paint, allow it to dry overnight, and then apply a second coat.

    • 3

      Dip your brush in a clear coat of polyurethane. Cover the wood board and brackets with a thin layer of polyurethane. Allow it to dry overnight.

    • 4

      Run a studfinder along the wall beneath the window. Mark the studs with a piece of chalk. Hold the board against the wall beneath the window, in the ideal spot where you want it to be. Mark where the chalk marks on the wall hit the board, using a piece of chalk.

    • 5

      Flip the board over to its underside. Using a handheld drill and screws, drill in the short side of a L-bracket on the rightmost and leftmost chalk marks that correspond to the studs in the wall. The right angle of each L-bracket should be flush with the edge of the board.

    • 6

      Position the board and attached L-brackets beneath the window frame, lining up the brackets with where the studs are via your chalk marks. Drill the long end of the L-brackets into the wall.