Step 7: Trim around window apron

trimming wallpaper around a window stool
Photo by David Carmack
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To trim around a window's stool and apron, make a series of short cuts from the waste edge of the strip toward the corner where wall and stool meet. These narrow fingers of paper allow the strip to be shaped to the profile of the casing.

With a narrow putty knife, hold the paper on the wall and trim any waste with a razor knife.

Tip: Dee avoids seam rollers because they can leave depressions in the paper.

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    Tools List

    • bucket with sponge
      Rectangular sponge,
      for initial smoothing of wallpaper
    • paintroller
      5-gallon paste bucket, nylon brush, and 3/4-inch-nap paint roller
    • allen wrench set
      Allen wrenches,
      for removing towel bars in bathrooms prior to papering
    • four-foot level
      2- and 4-foot levels,
      for drawing plumb lines on wall and guiding long cuts
    • torpedo level
      10-inch torpedo level,
      for plumbing short pieces above and below windows
    • utility knife
      Utility knives with snap-off blades, and single-sided razor blades,
      to cut and trim paper
    • scissors
      Scissors
    • folding ruler
      Folding rule and tape measure
    • putty knife
      6-inch, 3/4-inch, and 1½-inch putty knives,
      for guiding cuts along trim
    • Phillips screwdriver
      Screwdriver,
      for removing and replacing switch plates and receptacle covers
    • wallpaper smoother
      Smoothers,
      for final smoothing of wallpaper

    Shopping List

    1. PREMIXED STARCH-BASED ADHESIVE

    2. VINYL-TO-VINYL ADHESIVES

    for installing borders and securing corners when using vinyl wallpaper



    3. SPRAY-ON RUBBER CEMENT

    for applying wallpaper to switch and receptacle plates



    4. STIR STICKS

    for mixing paste



    5. 3/4-INCH-NAP ROLLER COVERS

    for spreading paste



    6. SEA OR CELLULOSE SPONGES

    for cleaning wallpaper after smoothing



    7. TERRY-CLOTH RAG

    for cleaning woodwork and ceiling after sponging